acropolis

Learned borrowing from Ancient Greek ἀκρόπολις (akrópolis, “acropolis; high part of a city”), from ᾰ̓́κρος (ắkros, “at the edge; extreme, outermost”) + πόλῐς (pólĭs, “city; the Athenian citadel”). By surface analysis, acro- +‎ -polis.