-껏

First attested in the Seokbo sangjeol (釋譜詳節 / 석보상절), 1447, as Middle Korean ᄭᆞ자ᇰ〮 (Yale: skòcáng).

껏 • (-kkeot)

1. to the utmost of, as much as

   ‎마음 (ma'eum, “mind”) + ‎껏 (-kkeot) → ‎마음껏 (ma'eumkkeot, “to one's heart's content”)

   ‎재량 (jaeryang, “discretion”) + ‎껏 (-kkeot) → ‎재량껏 (jaeryangkkeot, “at one's discretion”)

   ‎기 (gi, “spirit”) + ‎껏 (-kkeot) → ‎기껏 (gikkeot, “at the most, at best”)

   ‎한 (han, “full”) + ‎껏 (-kkeot) → ‎한껏 (hankkeot, “at climax”)

   ‎눈치 (nunchi, “1wits”) + ‎껏 (-kkeot) → ‎눈칫껏 (nunchitkkeot, “tactfully”)

   ‎힘 (him, “strength”) + ‎껏 (-kkeot) → ‎힘껏 (himkkeot, “at one's full strength”)

   ‎여태 (yeotae, “so far”) + ‎껏 (-kkeot) → ‎여태껏 (yeotaekkeot, “until now, all this time”)

   ‎목청 (mokcheong, “vocals”) + ‎껏 (-kkeot) → ‎목청껏 (mokcheongkkeot, “at full voice”)

   ‎일 (il, “work”) + ‎껏 (-kkeot) → ‎일껏 (ilkkeot, “at one's full strength”)

   ‎밤새 (bamsae, “night”) + ‎껏 (-kkeot) → ‎밤새껏 (bamsaekkeot, “all night long”)

   ‎해 (hae, “day”) + ‎껏 (-kkeot) → ‎해껏 (haekkeot, “all day long”)