From Wiktionary, the free dictionary
From Middle Korean ㅁ (Yale: -m).
ㅁ • (-m)
- Post-vocalic and liquid allomorphic form of 음 (-eum, “-ing, -ment”, substantive-deriving verbal suffix).
- 떠나 (tteona-, “to depart”) + ㅁ (-m) → 떠남 (tteonam, “one's departing”)
- 슬프 (seulpeu-, “to be sad”) + ㅁ (-m) → 슬픔 (seulpeum, “sadness”)
- 살 (sal-, “to live”) + ㅁ (-m) → 삶 (sam, “life”)