Proto-Sino-Caucasian: *bHúʒV ~ *bHṓʒV
Meaning: tail
North Caucasian: (Tsakhur) bɨ̣t / bɨ̣t:e- < PL *p:oIc̣:-
Comments and references : A tenuous comparison, assuming the Tsakhur word to be an isolated relic < PL *p:oIc̣:- < PEC *bHuʒV ~ *bHōʒV, with the occasional correspondence of Bsq *-st- to PNC *ʒ. Etymological comparison suggested by John Bengtson.