Where does “恩に着る” come from?

恩に着る (Japanese) comes from Japanese に, from Old Japanese に.

恩に着る (Japanese): to feel obliged, indebted, grateful

Definitions

  1. to feel obliged, indebted, grateful

Ancestry of “恩に着る”, step by step

恩に着る traces back through 3 separate lines of ancestry.

via Japanese に

StepLanguageWordMeaning
1Japaneseにparticle for indirect objects; to; particle for...
2Old Japaneseに—

via Japanese 着る

StepLanguageWordMeaning
1Japanese着るput on or wear on the upper body or the entire...

via Japanese 恩

StepLanguageWordMeaning
1Japanese恩obligation
Every word from Old Japanese に →Every word from Japanese に →