What does 前もって mean?
前もって is a Japanese noun meaning “in advance, beforehand, previously” in English. It is written as 前もって in kanji, まえもって in hiragana, and maemotte in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
私は前もってあなたに知らせる。
I will let you know in advance.