Comments:KW 199. A Western isogloss. Doerfer (TMN 3, 441) (and Clark 1980, 43) regard Mong. as borrowed from Turk. (saying that the original meaning in Turkic is 'steel' - which is not the case, see EDT 647). On a possible Jpn. reflex see under *k`[ŭ]ri. {ND 1154 gives WMo kürü- 'sharpen an arrow'.}