The story
- Proto-Indo-European*pénkʷe
- Proto-Italic*kʷenkʷe
- Latincīnque
- Italiancinque
- Proto-Indo-European*déḱm̥
- Proto-Indo-European*ḱm̥tóm
- Proto-Italic*kəntom
- Latincentum
- Italiancento
- Italiancinquecento
- English todaycinquecento
Borrowed from Italian cinquecento.
Etymology from Wiktionary, CC BY-SA 4.0.