Where does “入口” come from?

入口 (Japanese) comes from Japanese 口, from Japanese くち, from Japanese 朽ちる.

入口 (Japanese): entrance

Definitions

  1. entrance

Ancestry of “入口”, step by step

入口 traces back through two separate lines of ancestry.

via Japanese 口

StepLanguageWordMeaning
1Japanese口mouth; opening; the mouth
2Japaneseくちmouth
3Japanese朽ちる—

via Japanese 入り

StepLanguageWordMeaning
1Japanese入りentering; entry, going in; entry, entering
2Japanese入るto enter, go into, get into; to arrive; to join a...
3Old Japaneseいる—

Words derived from “入口”

Every word from Japanese 朽ちる →Every word from Japanese くち →Every word from Japanese 口 →