Where does “antiterrorism” come from?

Antiterrorism derives from English terrorism, which combines Latin terror, from Proto-Indo-European tre-, with Ancient Greek -ισμός, prefixed by Ancient Greek ἀντί from Proto-Indo-European h₂énti meaning against.

antiterrorism (English): Activity aiming at opposing or preventing...

Definitions

  1. Activity aiming at opposing or preventing...

Ancestry of “antiterrorism”, step by step

StepLanguageWordMeaning
1EnglishterrorismThe deliberate commission of an act of violence...
2Frenchterrorismeterrorism
3Frenchterreurterror; terrorcore
4Middle Frenchterreurterror
5Old Frenchterreurterror
6Latinterrora dread, terror, great fear, alarm, panic; an...
7Latinfaciōto do
8Latin-toriumnominative neuter singular of -tōrius; accusative...
9Latin-tōriusory
10Latin-tor-er
11Proto-Italic-tōrForms agent nouns to verb stems
12Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
13Proto-Indo-European-tor-s
Every word from Proto-Indo-European -tor-sEvery word from Latin -toriumEvery word from Latin -tor
antiterrorism — Etymology, Origin & Word History | Etymology Explorer