Where does “Iordanes” come from?

Iordanes (Latin) comes from Ancient Greek Ἰορδάνης, from Hebrew יַרְדֵּן — Jordan.

Ancestry of “Iordanes”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ἰορδάνης	—
2	Hebrew	יַרְדֵּן	Jordan

Iordanes — Etymology, Origin & Word History | Etymology Explorer