Where does “Iphigenia” come from?

Iphigenia comes from Ancient Greek Ῑ̓φιγένεια, a proper name of unknown ultimate origin that designated a figure in Greek mythology.

Ancestry of “Iphigenia”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ῑ̓φιγένεια	—

Iphigenia — Etymology, Origin & Word History | Etymology Explorer