Where does “χρηστομᾰθέω” come from?

χρηστομᾰθέω (Ancient Greek) comes from Ancient Greek μανθάνω, from Proto-Hellenic *məntʰánō.

χρηστομᾰθέω (Ancient Greek): be desirous for learning

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	μανθάνω	I learn; I know, understand; I seek, ask, inquire
2	Proto-Hellenic	*məntʰánō	—

χρηστομᾰθέω — Etymology, Origin & Word History | Etymology Explorer