Where does “コンスタンティノープル” come from?
コンスタンティノープル (Japanese) comes from English Constantinople, from Latin Constantinopolis, from Koine Greek Κωνστᾰντῑνούπολῐς, from Ancient Greek Κωνστᾰντῖνος, from Latin Constantinus, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos — adjectival suffix.
Ancestry of “コンスタンティノープル”, step by step