κυλλός

Etymology
Probably connected with. The word has been explained variously as a zero-grade derivation or, or o-grade , from the  root , or alternatively and perhaps more plausibly from ;  compare , , ,. In view of the problematic Indo-European etymology, the word may well be of origin.

Adjective

 * 1) clubfooted and bandy-legged
 * 2) deformed, contracted, crippled
 * 3) crooked (of things and limbs)