Etymology Explorer › Middle French

Where does “efficacité” come from?

efficacité (Middle French) comes from Latin efficacitas, from Latin efficāx, from Latin efficiō, from Latin ex, from Latin commūnicō, from Latin commūnis, from Old Latin com(m)oinis, from Proto-Italic kommoinis — resin, gum; to say, speak.

Ancestry of “efficacité”, step by step

StepLanguageWordMeaning
1Latinefficacitasefficiency, efficacy, power
2Latinefficāx—
3Latinefficiō—
4LatinexA name of the letter "X"; out of, from
5Latincommūnicō—
6Latincommūnis—
7Old Latincom(m)oinis—
8Proto-Italickommoinis—
9Proto-Indo-Europeanḱom-moy-ni-held in common
10Proto-Indo-Europeanḱómbeside, near, by, with
11Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
12Middle Englishkyt—
13Germankitt—
14Old High Germankuti—
15Proto-West Germanickwidugum, resin
16Proto-Germanickweduzresin
17Proto-Indo-Europeangʷet-resin, gum; to say, speak

Words derived from “efficacité”

  • efficacity
Every word from Proto-Indo-European gʷet- →