Where does “Ἰεχονίας” come from?

Ἰεχονίας (Ancient Greek) comes from Hebrew יְכׇנְיָה.

Ancestry of “Ἰεχονίας”, step by step

Step	Language	Word	Meaning
1	Hebrew	יְכׇנְיָה	—

Ἰεχονίας — Etymology, Origin & Word History | Etymology Explorer