Where does “姉妹” come from?

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

姉妹 (Japanese): sisters; the status of being a sister; Rare...

Definitions

  1. sisters; the status of being a sister; Rare...

Ancestry of “姉妹”, step by step

姉妹 traces back through two separate lines of ancestry.

via Japanese 妹

StepLanguageWordMeaning
1Japanese妹a close female companion; one's own younger...
2Japanese人a person, human; an individual; mankind, people
3Proto-Japonic*pitəone

via Japanese 姉

StepLanguageWordMeaning
1Japanese姉elder sister

Words derived from “姉妹”

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