Where does “professor” come from?

Professor comes from Old French proffessur, from Latin professor, from Latin fateor meaning "to acknowledge," combined with Latin pro meaning "before," ultimately from Proto-Indo-European roots bʰeh₂- and bʰuH-.

professor (English): The most senior rank for an academic at a...

Definitions

  1. The most senior rank for an academic at a...

Ancestry of “professor”, step by step

professor traces back through two separate lines of ancestry.

via Anglo-Norman proffessur

StepLanguageWordMeaning
1Anglo-Normanproffessurone who professes
2Latinprofessorteacher, professor
3LatinprofiteorI declare publicly, own or confess openly,...
4Latinprō-forward direction, forward movement
5Proto-Italic*pro-pro- see the Latin entry for further meanings
6Proto-Indo-Europeanpro-toward, forward
7Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
8Proto-Indo-Europeanper-before, in front; first; to go through
9Proto-Indo-Europeanpr̥tóspassed , crossed

via Old French proffessur

StepLanguageWordMeaning
1Old Frenchproffessurone who professes
Every word from Proto-Indo-European pr̥tós
professor — Etymology, Origin & Word History | Etymology Explorer