Where does “おっはー” come from?

おっはー (Japanese) comes from Japanese おはよう, from Japanese 御, from Middle Chinese 御.

おっはー (Japanese): good morning; hello

Definitions

  1. good morning; hello

Ancestry of “おっはー”, step by step

StepLanguageWordMeaning
1Japaneseおはようgood morning
2Japanese御"indicates that the is honorific"; often used to...
3Middle Chinese御—
Every word from Middle Chinese 御 →Every word from Japanese 御 →Every word from Japanese おはよう →