Where does “蝙蝠蛾” come from?

蝙蝠蛾 (Japanese) comes from Japanese 蝙蝠, from Chinese 蝙蝠, from Chinese 蝠, from Proto-Sino-Tibetan baːk — bat.

蝙蝠蛾 (Japanese): swift moth; "Endoclita excrescens"

Definitions

  1. swift moth; "Endoclita excrescens"

Ancestry of “蝙蝠蛾”, step by step

蝙蝠蛾 traces back through two separate lines of ancestry.

via Japanese 蝙蝠

StepLanguageWordMeaning
1Japanese蝙蝠a bat
2Chinese蝙蝠bat
3Chinese蝠—
4Proto-Sino-Tibetanbaːkbat

via Japanese 蛾

StepLanguageWordMeaning
1Japanese蛾a moth
2Middle Chinese蛾—
Every word from Proto-Sino-Tibetan baːk →Every word from Chinese 蝠 →Every word from Chinese 蝙蝠 →