Where does “妹” come from?

妹 (Japanese) comes from Japanese 人, from Proto-Japonic *pitə — one.

妹 (Japanese): a close female companion; one's own younger...

Definitions

  1. a close female companion; one's own younger...

Ancestry of “妹”, step by step

妹 traces back through 3 separate lines of ancestry.

via Japanese 人

StepLanguageWordMeaning
1Japanese人a person, human; an individual; mankind, people
2Proto-Japonic*pitəone

via Middle Chinese 妹

StepLanguageWordMeaning
1Middle Chinese妹—

via Old Japanese 妹

StepLanguageWordMeaning
1Old Japanese妹"said from a male speaker"; "said from a female...

Words derived from “妹”

Every word from Proto-Japonic *pitə →Every word from Japanese 人 →