Комментарии:KW 58, Владимирцов 174, Poppe 21, 53, Лексика 224. Despite Лексика 223, Turk. *budra 'curls' (ЭСТЯ 2, 245) very probably represents the same root as *bɨdɨk 'moustache' and also belongs here. Jpn. *pí- should be regarded as an early contraction < *bi̯uj- < *bi̯udu.
