まんねんせいねん
Meanings
Noun
Four character compound
1. man of perennial youth; man who never loses his youthful vigor
Pitch accent
んねんせ
いねん
Composed of
ten thousand years; eternity; perennial; perpetual
youth; young man
Composed of
Japanese rhodea (plant of the lily family); Rhodea japonica
year; counter for years (e.g. of an era), grades (e.g. school); period of an apprentice's contract (usu. ten years)