Where does “fermion” come from?

fermion (Esperanto) comes from Esperanto fermio, from Italian fermi, from Italian Fermo, from Latin Firmus, from Proto-Italic fermos, from Proto-Indo-European dʰer-mo-s, from Proto-Indo-European dʰer- — to support; to hold.

fermion (Esperanto): accusative singular of fermio

Definitions

  1. accusative singular of fermio

Ancestry of “fermion”, step by step

StepLanguageWordMeaning
1Esperantofermiofermium
2Italianfermimasculine plural of fermo; plural of fermo;...
3ItalianFermostill
4LatinFirmusstrong, powerful
5Proto-Italicfermos—
6Proto-Indo-Europeandʰer-mo-sholding
7Proto-Indo-Europeandʰer-to support; to hold
Every word from Proto-Indo-European dʰer- →Every word from Proto-Indo-European dʰer-mo-s →Every word from Proto-Italic fermos →