Where does “歌姬” come from?

歌姬 (Chinese) comes from Japanese 歌姫, from Japanese 姫, from Japanese ひめ, from Japanese 日, from Old Japanese 日, from Proto-Japonic *pi — day, sun.

歌姬 (Chinese): female singer; diva

Definitions

Step	Language	Word	Meaning
1	Japanese	歌姫	a female music artist; a diva, a songstress, a...
2	Japanese	姫	the daughter of a high-ranking person; a woman;...
3	Japanese	ひめ	—
4	Japanese	日	Sunday
5	Old Japanese	日	the sun; sunlight, sunshine; daytime, daylight
6	Proto-Japonic	*pi	day, sun