Where does “quinquangulus” come from?

quinquangulus (Latin) comes from Latin Angulus, from Proto-Indo-European h₂engulos, from Proto-Indo-European h₂eng- — curve, bend.

quinquangulus (Latin): pentagonal

Definitions

  1. pentagonal

Ancestry of “quinquangulus”, step by step

quinquangulus traces back through two separate lines of ancestry.

via Latin Angulus

StepLanguageWordMeaning
1LatinAngulusA city of the Vestini, situated on a hill near the Adriatic Sea, now the town of Città Sant'Angelo
2Proto-Indo-Europeanh₂engulosjoint?
3Proto-Indo-Europeanh₂eng-curve, bend

via Latin quīnque

StepLanguageWordMeaning
1Latinquīnquefive; 5
2Proto-Italickʷenkʷefive
3Proto-Indo-Europeanpénkʷefive
Every word from Proto-Indo-European h₂eng-Every word from Proto-Indo-European h₂engulosEvery word from Latin Angulus