Etymology Explorer › Latin

Where does “firmus” come from?

firmus (Latin) comes from Proto-Italic fermos, from Proto-Indo-European dʰer-mo-s, from Proto-Indo-European dʰer- — to support; to hold.

firmus (Latin): stable, strong, firm; faithful, steadfast, true

Definitions

  1. stable, strong, firm; faithful, steadfast, true

Ancestry of “firmus”, step by step

StepLanguageWordMeaning
1Proto-Italicfermos—
2Proto-Indo-Europeandʰer-mo-sholding
3Proto-Indo-Europeandʰer-to support; to hold

Words derived from “firmus”

  • firm
  • firmly
  • confirm
  • confirmation
  • affirmative
  • affirm
  • affirmation
  • firmness
  • confirming
  • affirming
  • firmer
  • infirm
  • reaffirm
  • reaffirmation
  • firmware
  • interfirm
  • reconfirm
  • disconfirm
  • disconfirmation
  • fermata
  • disaffirm
  • affirmer
  • reconfirmation
  • confirmer
Every word from Proto-Indo-European dʰer- →