Where does “twenty” come from?

twenty (Hawaiian Creole) comes from English twenty, from Middle English twenty, from Old English twēntiġ, from Proto-Germanic twai tigiwiz, from Proto-Germanic twai, from Proto-Indo-European dwóh₁ — two.

Ancestry of “twenty”, step by step

StepLanguageWordMeaning
1EnglishtwentyThe cardinal number 20, occurring after nineteen...
2Middle EnglishtwentyAlternative form of twenti
3Old Englishtwēntiġtwenty
4Proto-Germanictwai tigiwiztwenty
5Proto-Germanictwaitwo
6Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dwóh₁