Where does “vĭnti” come from?

vĭnti (Late Latin) comes from Latin vīgintī, from Latin quīnque, from Proto-Italic kʷenkʷe, from Proto-Indo-European pénkʷe — five.

Ancestry of “vĭnti”, step by step

StepLanguageWordMeaning
1Latinvīgintītwenty
2Latinquīnquefive; 5
3Proto-Italickʷenkʷefive
4Proto-Indo-Europeanpénkʷefive

Words derived from “vĭnti”

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