Etymology Explorer › English

Where does “infirm” come from?

Infirm comes from Middle English infirme, from Latin infirmus meaning weak, formed from Latin in- plus firmus meaning firm or strong, ultimately from Proto-Indo-European roots meaning not and to hold.

infirm (English): Weak or ill, not in good health; Irresolute; weak...

Definitions

  1. Weak or ill, not in good health; Irresolute; weak...

Ancestry of “infirm”, step by step

StepLanguageWordMeaning
1LatininfirmoI weaken, enfeeble, deprive of strength; I...
2Latinīnfirmus—
3Latinīn-—
4Latinîn—
5Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
6Proto-Italicenin
7Proto-Indo-Europeanh₁énin

Words derived from “infirm”

  • infirmly
  • infirmness
Every word from Proto-Indo-European h₁én →