Where does “thirds” come from?

thirds (English) comes from English third, from Middle English thirde, from Old English þridda, 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.

thirds (English): plural of third; The third part of the estate of...

Definitions

  1. plural of third; The third part of the estate of...

Ancestry of “thirds”, step by step

StepLanguageWordMeaning
1EnglishthirdThe ordinal form of the cardinal number three;...
2Middle Englishthirde—
3Old Englishþriddathird
4Proto-West Germanic*þriddjōthird
5Proto-Germanicþridjôthird
6Proto-Indo-Europeantretyós—
7Proto-Indo-Europeantr̥tyósthird
8Proto-Indo-Europeantréyesthree
Every word from Proto-Indo-European tréyes →Every word from Proto-Indo-European tr̥tyós →Every word from Proto-Indo-European tretyós →