Where does “牛鮫” come from?

牛鮫 (Japanese) comes from Japanese 牛, from Middle Chinese 牛.

Ancestry of “牛鮫”, step by step

牛鮫 traces back through two separate lines of ancestry.

via Japanese 牛

StepLanguageWordMeaning
1Japanese牛cow, bull, ox, cattle; beef; Ox
2Middle Chinese牛—

via Japanese 鮫

StepLanguageWordMeaning
1Japanese鮫a shark
Every word from Middle Chinese 牛 →Every word from Japanese 牛 →