From Proto-Hlai *Cuɾɯːk (“bone”), from Pre-Hlai *Cu[d/ɖ]ɯːk (Norquest, 2015). Compare Proto-Tai *C̥.dukᴰ (“bone”) (whence Thai ดูก (dùuk) and later กระดูก (grà-dùuk)).
vuuek