Where does “Дренте” come from?

Дренте (Russian) comes from Dutch Drenthe, from Old Dutch Thriente, from Old Dutch Thrianta, from Old Dutch thrie, from Proto-West Germanic þrīʀ, from Proto-Germanic þrīz, from Proto-Indo-European *tréyes.

Ancestry of “Дренте”, step by step

StepLanguageWordMeaning
1DutchDrentheDrenthe, a province of the Netherlands
2Old DutchThriente—
3Old DutchThrianta—
4Old Dutchthriethree
5Proto-West Germanicþrīʀthree
6Proto-Germanicþrīzthree
7Proto-Indo-European*tréyes—
Every word from Proto-Indo-European *tréyes →Every word from Proto-Germanic þrīz →Every word from Proto-West Germanic þrīʀ →