Where does “vigesimal” come from?

vigesimal (English) comes from Latin vigesimus, from Latin vīgintī, from Latin quīnque, from Proto-Italic kʷenkʷe, from Proto-Indo-European pénkʷe — five.

vigesimal (English): Occurring in intervals of twenty; To the base...

Definitions

  1. Occurring in intervals of twenty; To the base...

Ancestry of “vigesimal”, step by step

StepLanguageWordMeaning
1LatinvigesimusAlternative form of vicesimus; twentieth
2Latinvīgintītwenty
3Latinquīnquefive; 5
4Proto-Italickʷenkʷefive
5Proto-Indo-Europeanpénkʷefive

Words derived from “vigesimal”

Every word from Proto-Indo-European pénkʷe →Every word from Proto-Italic kʷenkʷe →Every word from Latin quīnque →