Where does “medicina” come from?

medicina (Latin) comes from Latin medicus, from Latin medeor, from Proto-Italic medēōr, from Proto-Indo-European med- — to measure; to give advice; healing.

Ancestry of “medicina”, step by step

Step	Language	Word	Meaning
1	Latin	medicus	healing, curative, medical; magic; a doctor,...
2	Latin	medeor	I heal, cure, remedy, am good for or against a...
3	Proto-Italic	medēōr	heal
4	Proto-Indo-European	med-	to measure; to give advice; healing

Every word from Proto-Indo-European med- →

medicina — Etymology, Origin & Word History | Etymology Explorer