Where does “毛虱” come from?

毛虱 (Japanese) comes from Japanese 毛, from Middle Chinese 毛.

毛虱 (Japanese): a crab louse

Definitions

  1. a crab louse

Ancestry of “毛虱”, step by step

毛虱 traces back through two separate lines of ancestry.

via Japanese 毛

StepLanguageWordMeaning
1Japanese毛hair, fur; a kind of unit
2Middle Chinese毛—

via Japanese 虱

StepLanguageWordMeaning
1Japanese虱a sucking louse, especially the head louse
Every word from Middle Chinese 毛 →Every word from Japanese 毛 →