Caergystennin
Welsh
Etymology
From caer (“fortress, citadel”) + Cystennin (“Constantine”), calque of Ancient Greek Κωνσταντινούπολις (Kōnstantinoúpolis, “City of Constantine”).
Proper noun
Caergystennin f
- (historical) Constantinople (the former name, from 330–1930 C.E., of Istanbul, the largest city in Turkey; the former capital of the Ottoman Empire and of the Byzantine Empire before that)