Where does “出口” come from?

出口 (Japanese) comes from Japanese 出る, from Old Japanese 出づ, from Proto-Japonic *intu.

出口 (Japanese): exit; outlet

Definitions

  1. exit; outlet

Ancestry of “出口”, step by step

出口 traces back through two separate lines of ancestry.

via Japanese 出る

StepLanguageWordMeaning
1Japanese出るto leave a place; to go out; to come forth, to be...
2Old Japanese出づto come out, go out; to leave, depart; to show up
3Proto-Japonic*intu—

via Japanese 口

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

Words derived from “出口”

Every word from Proto-Japonic *intu →Every word from Old Japanese 出づ →Every word from Japanese 出る →