Where does “かえ” come from?

かえ (Japanese) comes from Japanese か, from Japanese いつか — sometime, at some point.

かえ (Japanese): substitute, proxy

Definitions

  1. substitute, proxy

Ancestry of “かえ”, step by step

かえ traces back through 3 separate lines of ancestry.

via Japanese か

StepLanguageWordMeaning
1Japaneseかfinal interrogative particle, similar to a...
2Japaneseいつかsometime, at some point

via Japanese え

StepLanguageWordMeaning
1JapaneseえAlternative form of い
2Middle Chinese衣—

via Japanese 替える

StepLanguageWordMeaning
1Japanese替えるsubstitute, replace
2Japaneseかふ—
Every word from Japanese いつか →Every word from Japanese か →