Comments: Av. paradigm B (q̇:orq̇:ó-l,q̇:urq̇:-bí; Chad. q̇oq̇ó-l,q̇uq̇-bí). Although the root is onomatopoeic, the correspondences are basically regular, except for dissimilation *q̇:- > k- in Northern Akhv. (cf. also Akhv. Ratl. korq̇:o; but Tseg. q̇:uq̇:u, Tlan. q̇:urq̇:u), and expressive nasalisation in Cham. (cf. also Gig. q̇:unq̇:u).