Where does “人虱” come from?

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

人虱 (Japanese): head louse (Pediculus humanus capitis)

Definitions

  1. head louse (Pediculus humanus capitis)

Ancestry of “人虱”, step by step

人虱 traces back through two separate lines of ancestry.

via Japanese 人

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

via Japanese 虱

StepLanguageWordMeaning
1Japanese虱a sucking louse, especially the head louse
Every word from Proto-Japonic *pitə →Every word from Japanese 人 →