Where does “豚草” come from?

豚草 (Japanese) comes from Japanese 草, from Middle Chinese 草.

豚草 (Japanese): common ragweed

Definitions

  1. common ragweed

Ancestry of “豚草”, step by step

豚草 traces back through two separate lines of ancestry.

via Japanese 草

StepLanguageWordMeaning
1Japanese草grass; a weed; a herb
2Middle Chinese草—

via Japanese 豚

StepLanguageWordMeaning
1Japanese豚pig; swine
2Chinese豚suckling pig
Every word from Middle Chinese 草 →Every word from Japanese 草 →