köken: From 길 (gil, “road”) + -ㅅ- (-s-, genitive interfix; omitted from the spelling, but this causes the tense phonation of the following consonant) + 가 (ga, “side”). First attested in the Yongbi eocheon'ga (龍飛御天歌 / 용비어천가), 1447, as Middle Korean 긼〮ᄀᆞᇫ〯 (Yale: kíl-s-kǒz).
A strip of land at the margin of some land forms. · shoulder, roadside (area on either side of a road) · balk, butt (piece of land left unplowed at the end of a field)