Where does “Kyprus” come from?

Kyprus (Cornish) comes from English cyprus, from Latin Cyprus, from Ancient Greek Κύπρος, from Ancient Greek -ῐος, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “Kyprus”, step by step

Step	Language	Word	Meaning
1	English	cyprus	named after the Mediterranean island OS grid ref TQ4380
2	Latin	Cyprus	henna
3	Ancient Greek	Κύπρος	Cyprus
4	Ancient Greek	-ῐος	belonging to; of”, “belonging to”, “pertaining to
5	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐος →Every word from Ancient Greek Κύπρος →