Where does “お日様” come from?

お日様 (Japanese) comes from Japanese 日, from Old Japanese 日, from Proto-Japonic *pi — day, sun.

お日様 (Japanese): the Sun; Mister Sun

Definitions

  1. the Sun; Mister Sun

Ancestry of “お日様”, step by step

お日様 traces back through two separate lines of ancestry.

via Japanese 日

StepLanguageWordMeaning
1Japanese日Sunday
2Old Japanese日the sun; sunlight, sunshine; daytime, daylight
3Proto-Japonic*piday, sun

via Japanese 御

StepLanguageWordMeaning
1Japanese御"indicates that the is honorific"; often used to...
2Middle Chinese御—
Every word from Proto-Japonic *pi →Every word from Old Japanese 日 →Every word from Japanese 日 →