Where does “ana-” come from?

ana- (French) comes from Ancient Greek ἀνα-, from Ancient Greek ᾰ̓νᾰ́ — up; to, again, upon.

ana- (French): ana-

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	ἀνα-	up to, upwards, up; thoroughly; indicating...
2	Ancient Greek	ᾰ̓νᾰ́	up; to, again, upon

ana- — Etymology, Origin & Word History | Etymology Explorer