Where does “thrād” come from?

thrād (Old Dutch) comes from Proto-Germanic þrēduz, from Proto-Indo-European treh₁-tu-, from Proto-Indo-European terh₁- — to rub, turn; to drill, pierce.

Ancestry of “thrād”, step by step

StepLanguageWordMeaning
1Proto-Germanicþrēduzthread, twisted fibre
2Proto-Indo-Europeantreh₁-tu-
3Proto-Indo-Europeanterh₁-to rub, turn; to drill, pierce

Words derived from “thrād

Every word from Proto-Indo-European terh₁-Every word from Proto-Indo-European treh₁-tu-Every word from Proto-Germanic þrēduz