The story
- Latin · derived fromannus“year”
- Ancient Greek · derived fromπέντε“five”
- English todaypentennial
From Ancient Greek πέντε (pénte, “five”) + Latin annus (“year”) + -ial.
Words from the same roots
Ancient Greekπέντε all →
Pentateuchpentachoronpentacronpentapodypentuplepeta-
Latinannus all →
annus horribilisannus mirabilis
Etymology from Wiktionary, CC BY-SA 4.0.