The kanji 乃 primarily signifies "belonging to," "of," or "it is." It indicates possession, relationship, or a connection between two things. It can also function as a grammatical particle to show emphasis or to connect nouns.

・On-yomi (音読み): だい (dai) ・Kun-yomi (訓読み): の (no)

⚫︎ 富士乃山 Translation: Mount Fuji's (literally: Fuji's mountain) ⚫︎ 我乃愛 Translation: My love (literary) ⚫︎ 彼の乃本 Translation: His book

The kanji 乃 is thought to be a pictograph. It depicts something like a woman's breast. However, its original meaning might have been closer to "you" or "then" which eventually evolved to mean "of" or "belonging to". Over time, it developed into a particle that connects nouns or shows possession.