Where does “興亜奉公日” come from?

興亜奉公日 (Japanese) comes from Japanese 日, from Old Japanese 日, from Proto-Japonic *pi — day, sun.

興亜奉公日 (Japanese): "Day of Public Duty for the Development of Asia": the first day of every month (1939–1942), when eating at restaurants was forbidden as part of the National Spiritual Mobilization Movement (国民精神総動員運動)

Definitions

  1. "Day of Public Duty for the Development of Asia": the first day of every month (1939–1942), when eating at restaurants was forbidden as part of the National Spiritual Mobilization Movement (国民精神総動員運動)

Ancestry of “興亜奉公日”, step by step

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