Where does “dormitorio” come from?

dormitorio (Spanish) comes from Old Spanish dormitorio, from Latin dormitorium, from Latin dormitorius — of or for sleeping.

dormitorio (Spanish): bedroom; dormitory

Definitions

Step	Language	Word	Meaning
1	Old Spanish	dormitorio	—
2	Latin	dormitorium	a sleeping-room, dormitory
3	Latin	dormitorius	of or for sleeping

dormitorio — Etymology, Origin & Word History | Etymology Explorer