Where does “床虱” come from?

床虱 (Japanese) comes from Japanese 床, from Middle Chinese 床.

床虱 (Japanese): bedbug

Definitions

  1. bedbug

Ancestry of “床虱”, step by step

床虱 traces back through two separate lines of ancestry.

via Japanese 床

StepLanguageWordMeaning
1Japanese床the floor; a bed; a raised area of a stage where...
2Middle Chinese床—

via Japanese 虱

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