Where does “бихевиоризм” come from?

бихевиоризм (Russian) comes from English behaviourism, from English behaviour, from English -iour, from English -our, from Middle English -our, from Old French -eor, from Latin -ator, from Latin -tor.

Ancestry of “бихевиоризм”, step by step

StepLanguageWordMeaning
1EnglishbehaviourismStandard spelling of behaviorism
2EnglishbehaviourThe way a living creature behaves or acts; The...
3English-iourSuffix added to verbs to form nouns; Alternative...
4English-our
5Middle English-our
6Old French-eorAlternative form of -or
7Latin-ator-ator, -er; second-person singular future passive...
8Latin-tor-er
9Proto-Italic-tōrForms agent nouns to verb stems
10Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
11Proto-Indo-European-tor-s

Words derived from “бихевиоризм

Every word from Proto-Indo-European -tor-sEvery word from Latin -torEvery word from Middle English -our