Where does “fermat” come from?

fermat (Swedish) comes from Italian fermata, from Italian fermare, from Latin firmō, from Latin Firmus, from Proto-Italic fermos, from Proto-Indo-European dʰer-mo-s, from Proto-Indo-European dʰer- — to support; to hold.

Ancestry of “fermat”, step by step

StepLanguageWordMeaning
1Italianfermatafermata; stop; feminine singular past participle...
2Italianfermareto stop; to arrest; to hold, stay
3Latinfirmōto make firm, strengthen, harden, fortify
4LatinFirmusstrong, powerful
5Proto-Italicfermos
6Proto-Indo-Europeandʰer-mo-sholding
7Proto-Indo-Europeandʰer-to support; to hold

Words derived from “fermat

Every word from Proto-Indo-European dʰer-Every word from Proto-Indo-European dʰer-mo-sEvery word from Proto-Italic fermos