Where does “counterintelligence” come from?

Counterintelligence comes from Old French contre and Old French intelligence, which derive from Latin contra and Latin intelligentia respectively, with intelligentia from Latin rota ultimately tracing to Proto-Indo-European Hróth₂-eh₂ through ret-.

counterintelligence (English): counterespionage

Definitions

  1. counterespionage

Ancestry of “counterintelligence”, step by step

StepLanguageWordMeaning
1EnglishintelligenceCapacity of mind, especially to understand...
2Middle EnglishintelligenceComprehension, intelligence; the ability to understand
3Old Frenchintelligencecomprehension; meaning; ability to comprehend
4LatinintelligentiaAlternative form of intellegentia
5Latinintelligēns
6Latinintellegōto understand, comprehend, realize, come to know
7Latinlegōto collect, gather, bring together, catch
8Latinlēxa proposition or motion for a law made to the people by a magistrate, a bill
9Proto-Italiclēg-
10Proto-Indo-Europeanleǵ-s
11Proto-Indo-Europeanleǵ-to gather, collect, with derivatives meaning to...
Every word from Proto-Indo-European leǵ-