proper noun/e.ka.tɔ̃.pil/
Hécatompyle is feminine in French.
Hecatompylus (a city in the province of Qumis, Persia, in modern Iran; Shahr-i Qumis; Saddarvazeh; one of the royal cities of the Parthian Empire)
From Latin Hecatompylus, from Ancient Greek Ἑκατόμπυλος (Hekatómpulos).