Proto-Sino-Tibetan: *thŭH (~ dh-)
Meaning: anus, cunnus
Tibetan: stu cunnus, orifice of the vagina.
Lepcha: tŭ pudenda muliebria
Comments: STEDT 250-254 *s-tu ~ tsu 'vagina' (a confusion with *ʒ́aw q.v.), adding Apatani a-tú 'vagina', Tamang cjum-ṭu, Thakali tu-cham, Chepang tuʔ, Tangut tǝ̣, Qiang stǝ, Gyarong tǝ-stǝ, LB [*tu]. One should also note forms for 'penis' (Lalung tu-dar, Dhimal tau, Tangut thu etc.), collected in STEDT 326-328 under *k-tu-k 'penis'; cf. also MC 屌 tíew 'penis'. [Cf. various Austric: PAA *tuɔj 'tail, vagina', *dʔɔ(ʔ) 'buttocks, PAN *hudi 'buttocks', *bi'tu 'hole'].
