Where does “thread” come from?

thread (Portuguese) comes from English thread, from Middle English þred, from Old English þrǣd, from Proto-Germanic þrēduz, from Proto-Indo-European treh₁-tu-, from Proto-Indo-European terh₁- — to rub, turn; to drill, pierce.

thread (Portuguese): thread one of several units of execution running concurrently

Definitions

  1. thread one of several units of execution running concurrently

Ancestry of “thread”, step by step

StepLanguageWordMeaning
1EnglishthreadA long, thin and flexible form of material,...
2Middle Englishþredthread (of twine or fibre)
3Old Englishþrǣd—
4Proto-Germanicþrēduzthread, twisted fibre
5Proto-Indo-Europeantreh₁-tu-—
6Proto-Indo-Europeanterh₁-to rub, turn; to drill, pierce
Every word from Proto-Indo-European terh₁- →Every word from Proto-Indo-European treh₁-tu- →Every word from Proto-Germanic þrēduz →
thread — Etymology, Origin & Word History | Etymology Explorer