köken: From Middle High German kërbe (“incision, notch”), from Old High German *kerba, from Proto-West Germanic *kerbā, from Proto-Germanic *kerbǭ, related to *kerbaną (“to cut, carve”). Cognate with German Low German Karve, Middle Dutch kerve, Saterland Frisian Käärwe, Old Norse kjarf (“bundle”), Old English cyrf (“incision”) (whence English kerf).
nock, the notch at the rearmost end of an arrow that fits on the bowstring · perforation, eye, a hole for example at the blunt end of a needle through which the thread is passed · shard, earthen vessel