Comment: Cf. also Tab. Düb. qIaqI, Ag. Fit. qIʷaqIʷ. Obl. base unknown (Lezg. qüq:ʷe- may point to *-a or -ä).
It is interesting to note that the compound *qIʷaqIʷ + *s:ɨw ('nose'+'mouth') served in Ag. as the word for 'face' (Ag. qIusi, Fit. qIusu, Burk. qessu with phonetic simplifications).