Комментарий: Obl. vowel stem *p:ak:ʷa-, cf. Tab. baga-x (with delabialisation), Ag. bagʷa-. For *-k:- cf. Lezg. erg. p:ak:uni, Arch. pl. bak:ur. The irregular front vowel and loss of labialisation in Kryz. and Rut. are probably due to contamination with another PL root *p:eƛ:V- q.v.
