Where does “twintech” come from?

twintech (Middle Dutch) comes from Old Dutch twēntig, from Proto-Germanic twai tigiwiz, from Proto-Germanic twai, from Proto-Indo-European dwóh₁ — two.

Ancestry of “twintech”, step by step

StepLanguageWordMeaning
1Old Dutchtwēntig
2Proto-Germanictwai tigiwiztwenty
3Proto-Germanictwaitwo
4Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dwóh₁Every word from Proto-Germanic twaiEvery word from Proto-Germanic twai tigiwiz