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STEDT #273

*m/s-k(w)a-y

MOUTH / OPENING / SPREAD / DOOR / FACE / JAW
Proto-Tibeto-Burman · exemplary

Reconstruction analysis

handlem/s-prefixm/sinitialkrhymeacoverK · V

Intermediate reconstructions

Kuki-Chin(b) *kaa ⪤ *khaa ‘CHIN / JAW (lower)’PKC #265
Kuki-Chin(a) *kaa ‘ENTRANCE / MOUTH’PKC #278
Central Naga (Ao Group)*ka ‘GAPE, OPEN MOUTH’PCN #008
Tangkhulic(b) *kʰa ‘CHIN / JAW’DRM#322
Tangkhulic(a) *ka ‘OPEN (MOUTH)’DRM#624
Karenic*kaᴮ ‘CHIN, JAW’TL#49

Connections

HPTB*s-ka ⪤ *m-ka-y ‘jaw / chin’pp. 24, 170, 486
See alsoMOUTH 466

Notes

Of the two prefixes set up for this root, *m- is much better attested. The *s- prefix appears in Dimasa, as well as in Written Tibetan sgo ‘door’. The current etymon comprises three roots set up separately in STC (468, 469, 470), which Benedict judges as “apparently all related” (p. 120).

There is a likely Chinese comparandum , OC *g’o [GSR #53a-b] ‘door, opening’.

Kuki-Chin (and perhaps other) languages show variation between a plain and aspirated initial.

There is some slight evidence for an allofam with medial -y-, *m-k(y)a, as witness rGyalrongic forms like tə mɟja, tA mgya, and tə-mdʒa ‘chin’.

Chinese comparandum

OC *g’o, GSR #53a-b ‘door, opening, house, family’; Schuessler 2007:282 *gâʔ; B & S 2011: *m-qˁaʔ ; Mand. .
OC *k’ər, GSR #541a ‘open’; B & S 2011: *kʰˁəj {[k]ʰˁəj}; Mand. kāi.

Reflexes & cognates456 reflexes · 45 subgroups

0.1Tibeto-Burman (previously published reconstructions)15

*Tibeto-Burman(m-)ka ⪤ (s-)ka ‘chin / jaw’Benedict 72 STC: 470
*Tibeto-Burman ‘door / opening’Chou 72: 53a-b
*Tibeto-Burmanm-ka ‘open / opening / mouth / door’Mortensen 12 Tk
*Tibeto-Burmanm-ka ‘open / opening / mouth / door’Matisoff 03 HPTB: 594
*Tibeto-Burmanm-ka ‘mouth, open(ing), door’Benedict 72 STC: 468
*Tibeto-Burmanm-kɑ ‘door / opening’Chou 72: 53a-b
*Tibeto-Burmans-ka ‘jaw / chin’Mortensen 12 Tk
*Tibeto-Burmans-kam-ka-y ‘jaw / chin’Matisoff 03 HPTB: 594

1.2.1.2Southern Plains Chin8

Asho (Sandoway)àŋprefixkʻo² ‘jaw / chin’Luce 85: P.1
Khami (Southern)əprefixmkha ‘mouth’Benedict 72 STC: 468
Nyhmoyem̩kʰa.kʰuⁱmorpheme ‘mouth’So-Hartmann 88 Chin: 77
Womatumˉkʻɑ³ ‘jaw / chin’Luce 85: P.1

1.2.2Central Chin24

Hwalngaukʻɑ² ‘jaw / chin’Luce 85: P.1
Khualsimkʻɑ¹ ‘jaw / chin’Luce 85: P.1
Lai (Hakha)kâa ‘entrance, mouth’VanBik 09 PKC: 278
Lai (Hakha)kʻɑ¹ ‘chin, lower jaw’Luce 85: G.67
Lai (Hakha)kʻɑ¹ ‘jaw / chin’Luce 85: P.1
Lai (Falam)sáaŋmorpheme-káa ‘entrance, mouth’VanBik 09 PKC: 278
Lushai [Mizo]khâ n‘lower jaw’VanBik 09 PKC: 265

1.2.3Maraic10

Lailenpi[mə́]aˊkə⁴ ‘jaw / chin’Luce 85: P.1
Lakher [Mara] n‘lower jaw, the chin’VanBik 09 PKC: 265
Lakher [Mara]ômorpheme-khai ‘cheek’Matisoff 87 BP
Merakɑ⁶ ‘jaw / chin’Luce 85: P.1
Xongsaiχɑ² ‘jaw / chin’Luce 85: P.1
Zotungkʻɔ⁵ ‘jaw / chin’Luce 85: P.1

1.3.1Central Naga (Ao Group)17

*Central Nagaka ‘GAPE, OPEN MOUTH’Bruhn 14 PCN: III.008
*Aoaprefix-ka ‘GAPE, OPEN MOUTH’Bruhn 14 PCN: II.052
*Aotprefix-m-khaʔ ‘CHIN’Bruhn 14 PCN: II.075
Ao (Chungli)prefix-ka² v.‘gape, open mouth’Bruhn 14 PCN: II.052
Ao (Mongsen: Longchang)prefixmakha ‘chin’Marrison 67 Naga
Ao (Mongsen: Mangmetong)[tə]prefix-mə́kháʔ n.‘chin’Coupe 07 Ao
Ao (Mongsen: Mangmetong)ka v.‘open mouth [opened mouth]’Coupe 07 Ao
Lotha Nagako¹- v.‘open (mouth), gape’Bruhn 14 PCN: III.008
Lotha Nagaàsuffix imperat‘open mouth’Acharya 75
Sangtampemorphemeke ‘cheek’Marrison 67 Naga
Yimchungrümüküh ‘chin’Kumar 73 Yim: 54

1.3.2Angami-Pochuri Group9

Angami (Kohima)me³¹ kou³³ v‘gape / open mouth’Nienu 90 AngQ: 3.7.15
Chokri(u)prefix me³¹ khou¹¹ ‘chin’Nienu 90 ChoQ: 3.12
Chokrime³¹ ku³³ v‘gape / open mouth’Nienu 90 ChoQ: 3.7.15
Sema [Sumi]aprefixmkhu ‘chin’Marrison 67 Naga

1.3.4Tangkhulic15

*Tangkhulicka ‘open (mouth)’Mortensen 12 Tk: 624
*Tangkhulickʰa ‘chin / jaw’Mortensen 12 Tk: 322
Huishuʔamorpheme-ke-kʰe ‘open the mouth’Mortensen 12 Tk: BodyParts.069
Huishuʔaprefix-mə-kʰe ‘chin’Mortensen 12 Tk: BodyParts.087
Kachaimə-kʰu ‘chin; jaw (general)’Mortensen 12 Tk: BodyParts.102
Tangkhul-rakmorpheme ‘palate’Matisoff 87 BP
Tangkhulkhasomorpheme ‘chin’Marrison 67 Naga
Tangkhulkhāsomorpheme ‘chin’Matisoff 87 BP
Tangkhulmakhā ‘jaw’Matisoff 87 BP
Tangkhulmakhāwuimorpheme āmareimorpheme ‘chin’Matisoff 87 BP
Tusommomorpheme-kʃi ‘chin’Mortensen 12 Tk: BodyParts.113
Ukhrulkʰəprefix-mə-ka ‘open (mouth)’Mortensen 12 Tk
Ukhrulmə-kʰa ‘chin’Mortensen 12 Tk

1.5Mikir [Karbi]4

Mikir [Karbi]ingprefixho ‘mouth’Marrison 67 Naga
Mikir [Karbi]ingprefixho ‘mouth’Matisoff 87 BP
Mikir [Karbi]ingprefix ‘mouth’Grüssner 79 BP: 32
Mikir [Karbi]iːŋprefixho ‘mouth’Benedict 72 STC: 468

1.7.1.2Garo1

1.7.1.3Koch2

Atongkha•wakmorpheme khu•wakmorpheme adv‘with open mouth’van Breugel 08 Atong

1.7.2Northern Naga/Konyakian2

1.7.3.1Jingpho15

Jingphonprefix-hka ‘jaw’Matisoff 87 BP
Jingphonprefix-hka ‘chin’Matisoff 87 BP
Jingphonprefix-hka nprefix-hkai ‘jaw’Matisoff 87 BP
Jingphoniŋprefixkhanprefixkha ‘chin, jaw’Benedict 72 STC: 470
Jingphon³¹prefixkha³³ ‘chin’Sun H 91 ZMYY: 247.47
Jingphon³¹prefixkha⁵⁵ n‘chin’Huang and Dai 92 TBL: 0088.19
Jingphonprefixhka nprefix-hkai ‘chin’Matisoff 87 BP
Jingphonprefixkha ‘chin’Marrison 67 Naga
Jingphonprefixkha / niŋprefixkha ‘chin, jaw’Benedict 72 STC: 118n327
Jingphonprefixkha~niŋprefixkha ‘chin’LaPolla 87: 7
Jingphoshaumorpheme ningmorphemehka ‘jaw’Matisoff 87 BP
Jingphotśyiŋprefixkha ‘door’Benedict 72 STC: 468
Jingpho¹nprefix³kha ‘chin’Weidert 87 TBTo: 1061

2.1.2Bodic14

Baimakha⁵³ ‘mouth’Sun H 91 Baim: 3.7
Baimakha⁵³ dø³⁴¹morpheme v‘hold in mouth’Sun H 91 Baim: 3.7.14
Baimakha⁵³ i⁵³morpheme ‘phlegm’Sun H 91 Baim: 9.2.5
Baimakha⁵³ the³⁵morpheme v‘gape / open mouth’Sun H 91 Baim: 3.7.15
Baimakhɑ⁵³ ndɑ⁵³morpheme ‘stutter / stammer’Sun H 91 Baim: 3.8.2
Tshona (Wenlang)kʰɑ⁵⁵ ‘mouth’Lu 86 CuoM
Tshona (Mama)khᴀ⁵³ ‘mouth’Sun H 91 ZMYY: 242.6
Tshona (Mama)kʰᴀ⁵³ ‘mouth’Sun H 80 MLD
Cuona Menbakha⁵⁵ sɔ⁵³morpheme wa³¹morpheme v.‘rinse (the mouth)’Huang and Dai 92 TBL: 1641.06
Cuona Menbakha⁵⁵loʔ⁵³morpheme v.‘close (the mouth) lightly’Huang and Dai 92 TBL: 1523.06

2.1.2.1Tibetan84

Tibetan (Alike)kha wɕamorpheme v.‘rinse (the mouth)’Huang and Dai 92 TBL: 1641.05
Tibetan (Alike)kha ɣdaŋmorpheme v.‘open (the mouth)’Huang and Dai 92 TBL: 1785.05
Tibetan (Batang)kha⁵³ ‘beak / bill’Dai 89 Bata: 3.9.3
Tibetan (Batang)kha⁵⁵ do⁵⁵morpheme v.‘gape / open mouth’Dai 89 Bata: 3.7.15
Tibetan (Batang)le⁵⁵morpheme le⁵⁵morpheme kha⁵⁵ buʔ⁵³#1228 PTB *s-pu ‘FEATHER / WING / HAIR (body)’ ‘whiskers (of animal)’Dai 89 Bata: 8.1.7
Tibetan (Batang)za¹³morpheme kha⁵⁵ buʔ⁵³morpheme ‘goatee’Dai 89 Bata: 8.1.2.2
Tibetan (Batang)(kha⁵³) dõ⁵⁵morpheme v.‘open (the mouth)’Huang and Dai 92 TBL: 1785.03
Tibetan (Batang)kha⁵³ xe⁵⁵morpheme v.‘rinse (the mouth)’Huang and Dai 92 TBL: 1641.03
Tibetan (Batang)kha⁵³kɑuʔ⁵³morpheme v.‘cover (the mouth)’Huang and Dai 92 TBL: 1710.03
Tibetan (Batang)kha⁵³nõ¹³morpheme khᴜ⁵³morpheme v.‘hold danglingly in the mouth’Huang and Dai 92 TBL: 1273.03
Tibetan (Khams:Dege)kha⁵⁵pin⁵⁵morpheme ‘mouth organ’Sun H 91 ZMYY: 507.3
Tibetan (Lhasa)kha⁵⁵ ka⁵²morpheme v.‘cover (the mouth)’Huang and Dai 92 TBL: 1710.02
Sherpa'khāq ‘mouth’Matisoff 87 BP
Tibetan (Sherpa:Helambu)kha kha pemorpheme v‘gape / open mouth’Bishop 89: 3.7.15
Tibetan (Sherpa:Helambu)khagemorpheme ko#589 PTB *kwa ‘SKIN’basuffix ‘lip’Lit. “mouth + genitive + skin”.Bishop 89: 3.9
Spitikhà ‘mouth’Bodh 91: 3.7
Spitikhà pemorphemejesuffix v‘gape / open mouth’Bodh 91: 3.7.15
Spitikharumorpheme poršemorpheme v‘hold in mouth’Bodh 91: 3.7.14
Tibetan (Written)(kha) bɕalmorpheme v.‘rinse (the mouth)’Huang and Dai 92 TBL: 1641.01
Tibetan (Written)(kha) gdaŋsmorpheme v.‘open (the mouth)’Huang and Dai 92 TBL: 1785.01
Tibetan (Written)k'a ~ k'a-posuffix ‘mouth’Matisoff 87 BP
Tibetan (Written)k'a-lpags#588 PTB *l-pak ‘SKIN’ goṅmorpheme-masuffix ‘upper lip’Matisoff 87 BP
Tibetan (Written)kha hgebmorpheme v.‘cover (the mouth)’Huang and Dai 92 TBL: 1710.01
Tibetan (Written)rgjalmorpheme sgo n‘door (front) / door (entrance)’Huang and Dai 92 TBL: 0516.01
Tibetan (Written)sgo ‘door, mouth’Luce 85: W.2
Tibetan (Written)sgo gtanmorpheme rgjagmorpheme v.‘bolt (the door)’Huang and Dai 92 TBL: 1644.01
Tibetan (Written)sgo ltɕagsmorpheme rgjagmorpheme v.‘lock (the door)’Huang and Dai 92 TBL: 1656.01
Tibetan (Xiahe)kha naŋmorpheme ŋamorpheme zoŋmorpheme v.‘hold danglingly in the mouth’Huang and Dai 92 TBL: 1273.04

2.1.3Lepcha4

Lepcha ‘chin’Matisoff 87 BP
Lepcha ‘chin’Matisoff 87 BP
Lepchak'a ‘mouth’Matisoff 87 BP
Lepchamorpheme- ‘chin’Matisoff 87 BP

2.2Newar2

Newarkhwā ‘face’Matisoff 87 BP
Newarkhwā ‘face’Shakya 89: 3.1

2.3Kiranti1

2.3.3Central Kiranti3

Dumikoːphumorpheme ‘face (of a man)’Driem 93 Dumi
Dumiŋaː#1192 PTB *r-ŋwa-l ‘FACE / FRONT’Allofams3a #1192 PTB *r-ŋwa-l ‘FACE / FRONT’3b #2017 PTB *ŋar ‘TOPKNOT / FOREPART / FRONT SIDE’3c #2525 PTB *s-ŋa ‘BEFORE / FRONT’morpheme-koːphu ‘face, countenance, visage’Driem 93 Dumi
Khalingphimorpheme ‘face’Matisoff 87 BP

2.3.4Western Kiranti3

Hayukhabaraŋmorpheme n‘palate’Michailovsky 89 H2: 84.68
Hayukhabamorphemeraŋmorpheme dzammorphemetoŋmorphemeramorpheme ‘palate’Matisoff 87 BP

2.4Kham-Magar-Chepang5

Chepangga- vi.‘gape, hold mouth open; fear (ch.)’Caughley 00 Chepang
Chepang (Eastern)ganaʔmorpheme v‘gape / open mouth’Caughley 90 CheQ: 3.7.15
Kham'khāmorpheme ‘beard’Matisoff 87 BP
Khamkhatamorpheme ‘beard’Watters 89 KhQ: 2.A.13
Khamkʰatamorpheme ‘beard’Watters 89 KhQ: 2.A.13

3.1Tangut1

3.2Qiangic42

Guiqiongkhɑ⁵⁵ pɑ⁵⁵#588 PTB *l-pak ‘SKIN’ ‘lip’Loan from Tibetan (cf. WT kha-lpags).Sun H 91 GuiQ
Muya [Minyak]tɯ³³morphemeqɑ⁵³ v.‘gape / open mouth’Sun H 91 MuyQ: 3.7.15
Pumi (Qinghua)khɑ⁵⁵ ‘mouth’Lu 83 Pumi
Qiang (Longxi)tə̀morpheme qà ‘open (mouth)’Evans 99 Qiang: 2571
Qiang (Taoping)qʰɑ³¹ qʰɑ³¹ ‘face’Sun H 81 Qia
Qiang (Taoping)χqɑ⁵⁵ ‘mouth’Sun H 81 Qia
Qiang (Yadu)quæ morpheme ‘face’Dai 89 Qian: 108

3.3.1rGyalrong28

rGyalrong (Maerkang)(prefix khɑ) rəmmorpheme prefix stsəsmorpheme v.‘close (the mouth) lightly’Huang and Dai 92 TBL: 1523.11
rGyalrong (Maerkang)prefix morpheme khɑ mtʃikmorpheme v.‘hold danglingly in the mouth’Huang and Dai 92 TBL: 1273.11
rGyalrongprefix kha ‘mouth’Sun H 91 ZMYY: 242.12
rGyalrongprefix khɐi prefix ndʐətmorpheme ‘hold in mouth’Sun H 91 ZMYY: 538.12
rGyalrongprefix kʰa ‘mouth’Dai 89 Jiar: 3.7
rGyalrongprefix kʰa ‘beak / bill’Dai 89 Jiar: 3.9.3
Caodengprefix-kʰe ‘mouth’Sun J 97 Cao
Caodengprefix-kʰe kɐ́morpheme-ndimorpheme ‘close (mouth)’Sun J 97 Cao
Caodengprefix-kʰe kɐ́morpheme-ndimorpheme ‘shut up (mouth)’Sun J 97 Cao
Caodengprefix-kʰe-naŋmorpheme morpheme-rkomorpheme ‘hold in the mouth’Sun J 97 Cao
rGyalrong (Eastern)prefixkʰa ‘mouth’Sun H 91 rEQ: 3.7
rGyalrong (NW)prefixkʰe ‘mouth’Sun H 91 rNW: 3.7
rGyalrong (Maerkang)wumorpheme khɑ prefix ʃthᴇmorpheme v.‘cover (the mouth)’Huang and Dai 92 TBL: 1710.11
rGBenzhenprefix-kʰa ‘mouth’Sun J 97 rGB

4Nungic9

Anongməkha ‘chin’LaPolla 87: 7
Anongməkha ‘chin, jaw’Benedict 72 STC: 118n327
Anongməkha ‘chin, jaw’Benedict 72 STC: 470
Anongmɯ³¹prefix gi³¹ ‘chin’Sun J 88 Ano
Anongphəŋmorpheme-kha ‘door, gate’Benedict 72 STC: 468
Trung [Dulong] (Dulonghe)mɯ³¹prefix kai⁵⁵ ‘chin’LaPolla 87: 7
Trung [Dulong] (Dulonghe)mɯ³¹prefix kɑi⁵⁵ ‘chin’Sun H 82 Dul
Trung [Dulong] (Nujiang)mɯ³¹prefix kai⁵⁵ ‘chin’LaPolla 87: 7
Trung [Dulong] (Nujiang)mɯ³¹prefix kɑi⁵⁵ ‘chin’Sun H 82 Dul

5Tujia5

Tujiaa²¹prefix gu²¹ pʰo⁵⁵ ‘face’Chen 86 TuMQ: 3.1
Tujia (Northern)ku³⁵ ‘face’Tian 86
Tujiaku³⁵ tʰa⁵⁵morpheme ‘face’Chen 86 TuBQ: 3.1
Tujia (Southern)ʔa²¹prefix gu²¹ pʰo⁵⁵ ‘face’Tian 86

6.1Lolo-Burmese1

6.1.1Burmish1

Burmese (Written)tammorpheme-khà ‘mouth’Benedict 72 STC: 468

6.1.2Loloish2

*Loloishk/go²/³ ‘door’Weidert 87 TBTo: 242
*Loloishk/go²/³ ‘door’Bradley 79 PLo: 344B

6.1.2.2Central Loloish10

Ahixa²¹zɿ²¹morpheme ‘gape’Chen 86 Yi: 3.7.15
Lahu (Black)gâʔ#5784 PL *Nkak ‘CRAWL / CREEP’ qay ~ morpheme-gomorpheme-lomorpheme temorpheme ‘crawl / creep’Matisoff 72 LTSR: 81
Lahu (Black)qay v.‘go, walk, travel’This Lahu form seems to be a fusion of the bare root *ka plus a second element meaning GO (see #657 PTB *ʔay GO / DIRECTIONAL PARTICLE / TRANSITIVE MOTION).Matisoff 88 DL: 260-2
Lisuɑ⁵⁵morphemekhɯ³¹ n‘door’Huang and Dai 92 TBL: 0514.40
Lisuɑ⁵⁵morphemekhɯ³¹ n‘door (front) / door (entrance)’Huang and Dai 92 TBL: 0516.40
Lisuɑ⁵⁵morphemekhɯ³¹mɛ³⁵ɑ̃³³ n‘threshold’Huang and Dai 92 TBL: 0515.40

6.1.2.3Southern Loloish6

Akhak'a˯ meh#467 PTB *s-muːr ‘MOUTH / LIP / HOLD IN MOUTH / CHEW / FACE / GILLS’PKC *hmuur ‘LIP / BEAK / MOUTH / TIP’PCN *mən ‘MOUTH’PTk *mor ‘MOUTH’ ‘mouth’The first syllable of this Akha form occurs with a large number of nouns, mostly animal names. It is possible that this morpheme is only a prefix here.Matisoff 87 BP

7Karenic48

*Karen (Pwo)káqxwíqmorpheme ‘jaw’Jones 61: 246
*Karenkaᴮ ‘chin, jaw’[Source note] Thai: khaaŋ33.Luangthongkum 13: 49
Bwekhe³³ ‘chin, jaw’Luangthongkum 13: 49
Bwekhɛ̀ ‘chin’Weidert 87 TBTo: 889
Bwekhɛ n‘chin’Henderson 97 Kar
Bwe (Western)kʻɛ² ‘chin, lower jaw’Luce 85: G.67
Gebakʻɛ² ‘chin, lower jaw’Luce 85: G.67
Kayahkhe¹¹ ‘chin, jaw’Luangthongkum 13: 49
Kayanka¹¹ ‘chin, jaw’Luangthongkum 13: 49
Kayan (Pekon)kasʰɨ̂morpheme N‘jaw’Manson 10 Kayan
Kayawkha¹¹ ‘chin, jaw’Luangthongkum 13: 49
Pa-O ‘jaw’Matisoff 87 BP
Pa-O ‘jaw’Jones 61: 246
Pa-O (Northern)ka⁵⁵ ‘chin, jaw’Luangthongkum 13: 49
Pa-O (Northern)kʻɑ¹ ‘chin, lower jaw’Luce 85: G.67
Pakukʻɑ³ ‘chin, lower jaw’Luce 85: G.67
Palaychiʔàqmorphemekháq ‘jaw’Matisoff 87 BP
Palaychiʔàqmorphemekháq ‘jaw’Jones 61: 246
Pwo (Northern)kha³³ ‘chin, jaw’Luangthongkum 13: 49
Pwo (Southern)kha⁵⁵ ‘chin, jaw’Luangthongkum 13: 49
Pwo (Tenasserim)kʻɑ¹lɑʔ²morpheme ‘chin, lower jaw’Luce 85: G.67
Pwo (Delta)kʻɑ⁴lɑʔ¹morpheme ‘chin, lower jaw’Luce 85: G.67
Sgaw (Northern)kha³¹˜ ‘chin, jaw’Luangthongkum 13: 49
Sgaw (Southern)kha⁴⁵’ ‘chin, jaw’Luangthongkum 13: 49
Sgawkʻɑ⁴ ‘chin, lower jaw’Luce 85: G.67
Sgaw²kha ‘chin’Weidert 87 TBTo: 889
Karen (Sgaw/Hinthada)kʰa³¹ ‘lower jaw, chin’Dai 89 KarB: 114
Karen (Sgaw/Hinthada)kʰa³¹ tsʰu³¹morpheme ‘whiskers’Dai 89 KarB: 113
Karen (Sgaw/Yue)kʰa³¹ ‘lower jaw, chin’Dai 89 KarA: 114
Karen (Sgaw/Yue)kʰa³¹ sʰu³¹morpheme ‘whiskers’Dai 89 KarA: 113

Cite this entry

STEDT etymon #273, *m/s-k(w)a-y ‘MOUTH / OPENING / SPREAD / DOOR / FACE / JAW’.
Stable link: https://larc-iu.github.io/stedt/etymon/273
Data: STEDT v1.0 (2017). Accessed: [date].
References: cf. STC#470, HPTB pp.24, 170, 486
BibTeX
@misc{stedt-273,
  title  = {{*m/s-k(w)a-y 'MOUTH / OPENING / SPREAD / DOOR / FACE / JAW'}},
  author = {STEDT},
  year   = {2017},
  note   = {Sino-Tibetan Etymological Dictionary and Thesaurus (STEDT) v1.0, etymon #273},
  url    = {https://larc-iu.github.io/stedt/etymon/273}
}