Where does “渡島” come from?

渡島 (Japanese) comes from Japanese 島, from Middle Chinese 島.

渡島 (Japanese): voyage to an island

Definitions

  1. voyage to an island

Ancestry of “渡島”, step by step

渡島 traces back through two separate lines of ancestry.

via Japanese 島

StepLanguageWordMeaning
1Japanese島an island; one's domain, territory, turf
2Middle Chinese島—

via Chinese 渡

StepLanguageWordMeaning
1Chinese渡—
Every word from Middle Chinese 島 →Every word from Japanese 島 →