Where does “Aegisthus” come from?

Aegisthus (English) comes from Latin Aegisthus, from Ancient Greek Αἴγισθος.

Ancestry of “Aegisthus”, step by step

Step	Language	Word	Meaning
1	Latin	Aegisthus	—
2	Ancient Greek	Αἴγισθος	—

Aegisthus — Etymology, Origin & Word History | Etymology Explorer