What does 年月 mean?
年月 is a Japanese noun meaning “months and years” in English. It is written as 年月 in kanji, としつき in hiragana, and toshitsuki in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
あれだけのコインを収集するのにどれだけの年月がかかりましたか。
How long did it take you to collect so many coins?