Where does “adormitarse” come from?

adormitarse (Spanish) comes from Spanish sé, from Old Spanish ge, from Latin illī, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

adormitarse (Spanish): to half-fall asleep; to slumber

Definitions

adormitarse traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Spanish	sé	yes
2	Old Spanish	ge	to her, to it, or to him
3	Latin	illī	found in
4	Latin	ille	that; those; "; demonstrative pronoun "; that...
5	Latin	olle	Archaic form of ille
6	Proto-Italic	*olnos	that

Step	Language	Word	Meaning
1	Spanish	dormitar	to doze or nap
2	Latin	dormītāre	—