adverb, noun
annual; yearly; every year
Literary or formal adverb/noun meaning 'every year' or 'annually'. Often used in written language, such as in formal announcements or poetic contexts.
この祭りは歳々行われている。
This festival is held annually.
歳々の恒例行事として、多くの人が集まる。
As an annual customary event, many people gather.
Reduplication of 歳 (さい, 'year') with the iteration mark 々, forming an adverb/noun meaning 'every year'. The kanji 歳 is used for 'year' in formal contexts.