Where does “Σεμεΐ” come from?

Σεμεΐ (Ancient Greek) comes from Biblical Hebrew שִׁמְעִי — Shimei.

Ancestry of “Σεμεΐ”, step by step

Step	Language	Word	Meaning
1	Biblical Hebrew	שִׁמְעִי	Shimei

Σεμεΐ — Etymology, Origin & Word History | Etymology Explorer