Where does “降り口” come from?

降り口 (Japanese) comes from Japanese 口, from Japanese くち, from Japanese 朽ちる.

降り口 (Japanese): an exit requiring a disembarkation or descent, especially from a bus or train

Definitions

  1. an exit requiring a disembarkation or descent, especially from a bus or train

Ancestry of “降り口”, step by step

降り口 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 降りる

StepLanguageWordMeaning
1Japanese降りるget off, disembark
2Japanese降るto fall from the sky, to precipitate
Every word from Japanese 朽ちる →Every word from Japanese くち →Every word from Japanese 口 →