Comment: Cf. also Ag. Bursh. uga- / agʷa- 'to search'. Belongs to the weak verb class. Reconstruction of *-ä is conditioned by Lezg. (ak:ʷa-, praet. ak:u-na), Rut. (-a=gʷa-, plur. -a=gʷe-s) and Arch. (-u-s) forms. With a preverb cf. Rut. aq-a=gʷa- 'to find'.
See Бокарев 1961, 63; Лексика 1971, 243; Гигинейшвили 1977, 78.