Where does “endoculare” come from?

endoculare (Italian) comes from Italian endo-, from Ancient Greek ἔνδον, from Proto-Hellenic éndon, from Proto-Indo-European h₁n̥dóm, from Proto-Indo-European h₁n̥dó, from Proto-Indo-European h₁én — in.

endoculare (Italian): intraocular