Where does “Cairene” come from?

Cairene (English) comes from English -ene, from French -ène, from Ancient Greek -ηνός, from Ancient Greek -νός, from Proto-Indo-European dʰeh₁- — to do, put, place.

Cairene (English): Of or pertaining to Cairo, the capital of Egypt;...

Definitions

Of or pertaining to Cairo, the capital of Egypt;...

Ancestry of “Cairene”, step by step

Step	Language	Word	Meaning
1	English	-ene	An unsaturated hydrocarbon having at least one...
2	French	-ène	-ene
3	Ancient Greek	-ηνός	-ian, -ese
4	Ancient Greek	-νός	Alternative form of -νος
5	Proto-Indo-European	dʰeh₁-	to do, put, place

Every word from Proto-Indo-European dʰeh₁- →Every word from English -ene →Every word from Ancient Greek -ηνός →