Where does “latria” come from?

latria (Late Latin) comes from Ancient Greek λατρεία, from Ancient Greek λατρευειν — wait on,” “serve with prayer.

Ancestry of “latria”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	λατρεία	service; worship
2	Ancient Greek	λατρευειν	wait on,” “serve with prayer

latria — Etymology, Origin & Word History | Etymology Explorer