Where does “Hecatompylus” come from?

Hecatompylus (English) comes from Latin Hecatompylus, from Ancient Greek Ἑκατόμπυλος.

Ancestry of “Hecatompylus”, step by step

Step	Language	Word	Meaning
1	Latin	Hecatompylus	—
2	Ancient Greek	Ἑκατόμπυλος	—