Where does “Itanum” come from?

Itanum (Latin) comes from Ancient Greek Ἰτάνον, from Ancient Greek Ἴτανος.

Ancestry of “Itanum”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ἰτάνον	—
2	Ancient Greek	Ἴτανος	—

Itanum — Etymology, Origin & Word History | Etymology Explorer