What does 事前 mean?
事前 is a Japanese noun meaning “prior, beforehand, in advance” in English. It is written as 事前 in kanji, じぜん in hiragana, and jizen in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
事前に予約を取っておくべきだ。
We'd better make a reservation beforehand.