Where does “亜” come from?

亜 (Japanese) comes from Middle Chinese 亞.

亜 (Japanese): "indicates a lower oxidation number": -ous

Definitions

  1. "indicates a lower oxidation number": -ous

Ancestry of “亜”, step by step

StepLanguageWordMeaning
1Middle Chinese亞—

Words derived from “亜”

Every word from Middle Chinese 亞 →