Where does “counteractant” come from?

counteractant (English) comes from English counteract, from English Act, from English actually, from English actual, from Middle English actual, from Anglo-Norman actuel, from Old French actual, from Latin actuālis — to drive.

counteractant (English): Anything that serves to counteract something else

Definitions

  1. Anything that serves to counteract something else

Ancestry of “counteractant”, step by step

counteractant traces back through two separate lines of ancestry.

via English counteract

StepLanguageWordMeaning
1EnglishcounteractAn action performed in opposition to another...
2EnglishAct
3EnglishactuallyIn act or in fact; really; in truth; positively;...
4Englishactualrelating to a person's acts or deeds; active,...
5Middle Englishactualactual, real, true
6Anglo-Normanactuel
7Old Frenchactual
8Latinactuālisactive, practical
9Latināctusmade, done, having been done
10Latinagōto act, to behave
11Proto-Italicagōdrive; push, impel; do, act
12Proto-Indo-Europeanh₂éǵetito be driving
13Proto-Indo-Europeanh₂eǵ-to drive

via English ȧnt

StepLanguageWordMeaning
1Englishȧnt
2Middle EnglishampteAn ant; a formicid; A mantid
3Old Englishǣmete
4Proto-West Germanicāmaitijāant
5Proto-West Germanicuʀ-out, over; off, away
6Proto-Germanicuz-up, out
7Proto-Indo-Europeanuss-
8Proto-Indo-Europeanuds-up, out
9Proto-Indo-Europeanúdout, outward
Every word from Proto-Indo-European h₂eǵ-