Where does “dritte” come from?

dritte (Middle High German) comes from Old High German dritto, from Proto-West Germanic *þriddjō, from Proto-Germanic þridjô, from Proto-Indo-European tretyós, from Proto-Indo-European tr̥tyós, from Proto-Indo-European tréyes — three.

Ancestry of “dritte”, step by step

StepLanguageWordMeaning
1Old High Germandrittothird
2Proto-West Germanic*þriddjōthird
3Proto-Germanicþridjôthird
4Proto-Indo-Europeantretyós—
5Proto-Indo-Europeantr̥tyósthird
6Proto-Indo-Europeantréyesthree

Words derived from “dritte”

Every word from Proto-Indo-European tréyes →Every word from Proto-Indo-European tr̥tyós →Every word from Proto-Indo-European tretyós →