Where does “thesis” come from?

Thesis comes from Latin thesis, from Ancient Greek θέσις, from the root of Ancient Greek τίθημι meaning "to place or put," ultimately from Proto-Indo-European dʰeh₁-.

thesis (English): Senses relating to logic, rhetoric, etc; Senses...

Definitions

  1. Senses relating to logic, rhetoric, etc; Senses...

Ancestry of “thesis”, step by step

thesis traces back through two separate lines of ancestry.

via Latin thēsis

StepLanguageWordMeaning
1Latinthēsisthesis
2Ancient Greekθέσιςa setting, placement, arrangement; deposit;...
3Ancient GreekτίθημιI put, place, set; I make, cause to be; I make
4Proto-Indo-Europeandʰeh₁-to do, put, place

via Middle English thesis

StepLanguageWordMeaning
1Middle Englishthesislowering of the voice

Words derived from “thesis

Every word from Proto-Indo-European dʰeh₁-Every word from Ancient Greek τίθημιEvery word from Ancient Greek θέσις