Where does “septemvigesimal” come from?

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

septemvigesimal (English): Based upon the number twenty-seven

Definitions

  1. Based upon the number twenty-seven

Ancestry of “septemvigesimal”, step by step

septemvigesimal traces back through two separate lines of ancestry.

via English vigesimal

StepLanguageWordMeaning
1EnglishvigesimalOccurring in intervals of twenty; To the base...
2LatinvigesimusAlternative form of vicesimus; twentieth
3Latinvīgintītwenty
4Latinquīnquefive; 5
5Proto-Italickʷenkʷefive
6Proto-Indo-Europeanpénkʷefive

via English septem

StepLanguageWordMeaning
1Englishseptem
Every word from Proto-Indo-European pénkʷeEvery word from Proto-Italic kʷenkʷeEvery word from Latin quīnque