Japanese

Noun

老衰 ‎(hiragana ろうすい, romaji rōsui)

1. senility

Verb

老衰する ‎(intransitive, hiragana ろうすいする, romaji rōsui suru)

1. become senile

Korean

Noun

老衰 • ‎(nosoe) ‎(hangeul 노쇠)

1. Hanja form^? of 노쇠, “senility”.