Where does “Konstadinos” come from?
Konstadinos (English) comes from Greek Κωνσταντίνος, from Koine Greek Κωνστᾰντῖνος, from Latin Constantinus, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.
Ancestry of “Konstadinos”, step by step