Where does “Hitachi” come from?

Hitachi is a Japanese company name written 日立, composed of the characters for "sun" (日) and "stand" (立).

Ancestry of “Hitachi”, step by step

Step	Language	Word	Meaning
1	Japanese	日立	growth as the days pass; physical recovery day by...
2	Japanese	肥立つ	—
3	Japanese	日	Short for 日曜日 : Sunday; the sun; sunlight,...
4	Old Japanese	日	the sun; sunlight, sunshine; daytime, daylight
5	Proto-Japonic	*pi	—

Hitachi — Etymology, Origin & Word History | Etymology Explorer