Etymology
1. O.E.
muþ, from P.Gmc.
*munthaz (cf. O.Fris.
muth, O.N.
munnr, M.Du.
mont, Ger.
Mund, Goth.
munþs "mouth"), with characteristic loss of nasal consonant in O.E. (cf.
tooth, goose, etc.), from PIE
*mnto-s (cf. L.
mentum "chin"). In the sense of "outfall of a river" it is attested from c.1122; as the opening of anything with capacity (a bottle, cave, etc.) it is recorded from c.1200. The verb is c.1300, "to speak," from the noun.
Mouthful "a lot to say" is from 1748.
2. Etymology tree
3. Proto-Indo-European *men-
4. Proto-Indo-European *-tós
5. Proto-Indo-European *mn̥-tó-s
6. Proto-Germanic *munþaz
7. Proto-West Germanic *munþ
8. Old English mūþ
9. Middle English mouth
10. English mouth
11. From Middle English mouth, from Old English mūþ, from Proto-West Germanic *munþ, from Proto-Germanic *munþaz (“mouth”), from Proto-Indo-European *ment- (“to chew; jaw, mouth”).
12. Cognate with Scots mooth (“mouth”), North Frisian mös, müs, Mür (“mouth”), West Frisian mûn (“mouth”), Dutch mond (“mouth”), muide (“river mouth”) and mui (“riptide”), German Mund (“mouth”), Luxembourgish Mond (“mouth”), Danish mund (“mouth”), Faroese muður, munnur (“mouth”), Icelandic munnur (“mouth”), Swedish mun (“mouth”), Norwegian Bokmål and Norwegian Nynorsk munn (“mouth”), Gothic 𐌼𐌿𐌽𐌸𐍃 (munþs, “mouth”), Latin mentum (“chin”) and mandō (“to chew”), Ancient Greek μάσταξ (mástax, “jaws, mouth”) and μασάομαι (masáomai, “to chew”), Albanian mjekër (“chin, beard”), Welsh mant (“jawbone”), Hittite 𒈨𒂊𒉌𒄿 (me-e-ni-i /mēni/, “face, cheek”). The verb is from Middle English mouthen, from the noun.
Verbs referencing "mouth"
Thai
เม้าท์มอย.