Where does “Caspi” come from?

Caspi (English) comes from Latin Caspius, from Ancient Greek Κάσπιος — Caspian.

Ancestry of “Caspi”, step by step

Step	Language	Word	Meaning
1	Latin	Caspius	Caspian; discovered or native to an area in or...
2	Ancient Greek	Κάσπιος	Caspian