Where does “一角獣” come from?

一角獣 (Japanese) comes from Japanese 獣, from Middle Chinese 獸 — beast.

Ancestry of “一角獣”, step by step

StepLanguageWordMeaning
1Japanese獣an animal covered in fur, a beast; a beast; beast
2Middle Chinese獸beast
Every word from Middle Chinese 獸 →Every word from Japanese 獣 →