Where does “firmo” come from?

firmo (Esperanto) comes 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.

firmo (Esperanto): firm

Definitions

  1. firm

Ancestry of “firmo”, step by step

StepLanguageWordMeaning
1Latinfirmōto make firm, strengthen, harden, fortify
2LatinFirmusstrong, powerful
3Proto-Italicfermos—
4Proto-Indo-Europeandʰer-mo-sholding
5Proto-Indo-Europeandʰer-to support; to hold

Words derived from “firmo”

Every word from Proto-Indo-European dʰer- →Every word from Proto-Indo-European dʰer-mo-s →Every word from Proto-Italic fermos →