Of native Korean origin.. Alternatively kor ("vale, valley").
This entry lacks etymological information. If you are familiar with the origin of this term, please add it to the page per etymology instructions. You can also discuss it at the Etymology scriptorium. Particularly: “Surely not all of these are from the same native-Korean etymon? The various bone-related senses seem much more likely to be Sino-Korean, from Middle Chinese骨(kwot). Middle Chinese borrowings that end in /t/ seem to often end in ᄅ in Korean.”