What does 共有 mean?
共有 is a Japanese noun meaning “joint ownership; co-ownership; sharing (e.g. a viewpoint)” in English. It can also be translated as “sharing (files, devices on a network, posts on social media, etc.)” depending on context. It is written as 共有 in kanji, きょうゆう in hiragana, and kyouyuu in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
ケンは兄と部屋を共有している。
Ken shared the room with his elder brother.