Constantinopolim
Constantinopolim is a Latin form of Constantinopolis, meaning “Constantinople”. It is the accusative singular feminine noun.
Found 32 times in the Latin texts on Socratos.
Where it is used
Ammianus Marcellinus, Res Gestae 14.7.19: … ditantis iam Galli secreta susceperint scripta; qui compertis Antiochiae gestis, per minorem Armeniam lapsus, Constantinopolim petit, exindeque per protectores retractus, artissime tenebatur.
All forms of Constantinopolis (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.