Where does “法螺貝” come from?

法螺貝 (Japanese) comes from Japanese 貝, from Old Japanese かい.

法螺貝 (Japanese): a Triton's trumpet, Charonia tritonis; a horn...

Definitions

  1. a Triton's trumpet, Charonia tritonis; a horn...

Ancestry of “法螺貝”, step by step

法螺貝 traces back through two separate lines of ancestry.

via Japanese 貝

StepLanguageWordMeaning
1Japanese貝a shellfish
2Old Japaneseかい—

via Japanese 法螺

StepLanguageWordMeaning
1Japanese法螺boasting
Every word from Old Japanese かい →Every word from Japanese 貝 →