Where does “fermati” come from?

fermati (Italian) comes from Italian fermato, 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.

fermati (Italian): second-person singular imperative of fermarsi;...

Definitions

  1. second-person singular imperative of fermarsi;...

Ancestry of “fermati”, step by step

fermati traces back through two separate lines of ancestry.

via Italian fermato

StepLanguageWordMeaning
1Italianfermatopast participle of fermare
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

via Italian fermarsi

StepLanguageWordMeaning
1Italianfermarsireflexive of fermare; to stop, halt
Every word from Proto-Indo-European dʰer-Every word from Proto-Indo-European dʰer-mo-sEvery word from Proto-Italic fermos