What does 部門 mean?
部門 is a Japanese noun meaning “a division” or “a field” in English. It is written as 部門 in kanji, ぶもん in hiragana, and bumon in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
歴史学は人文科学の一部門である。
History is a branch of the humanities.