The story
- Late Latin · borrowed fromquīnquangulum
- English todayquinquangle
From Late Latin quīnquangulum, use as noun of neuter of quīnquangulus (“pentagonal”). By surface analysis, quinqu- + -angle.
Etymology from Wiktionary, CC BY-SA 4.0.
quinquangle
Today it means: Synonym of pentagon (“a polygon with five sides and five angles”). Full definition →
Late Latin quīnquangulum