Where does “加える” come from?

加える (Japanese) comes from Japanese に, from Old Japanese に.

加える (Japanese): add, sum up

Definitions

  1. add, sum up

Ancestry of “加える”, step by step

StepLanguageWordMeaning
1Japaneseにparticle for indirect objects; to; particle for...
2Old Japaneseに—
Every word from Old Japanese に →Every word from Japanese に →