Κωνσταντινούπολη (Greek) comes from Byzantine Greek Κωνσταντινούπολις, from Ancient 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 “Κωνσταντινούπολη”, step by step
Κωνσταντινούπολη traces back through 3 separate lines of ancestry.