Where does “megathread” come from?

megathread (English) 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.

megathread (English): An extremely long discussion thread

Definitions

  1. An extremely long discussion thread

Ancestry of “megathread”, step by step

megathread traces back through two separate lines of ancestry.

via English thread

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

via English mega

StepLanguageWordMeaning
1EnglishmegaVery large; great; excellent
2Ancient Greekμέγαςbig, large; great, mighty, loud; marvelous,...
3Proto-Indo-Europeanmeǵh₂sgreat
Every word from Proto-Indo-European terh₁- →Every word from Proto-Indo-European treh₁-tu- →Every word from Proto-Germanic þrēduz →