Where does “motivator” come from?

Motivator comes from English motivate, derived from Middle French motif and Latin motive, ultimately from Proto-Indo-European -tós, a suffix forming adjectives from verbal roots.

motivator (English): agent noun of motivate; one who motivates

Definitions

  1. agent noun of motivate; one who motivates

Ancestry of “motivator”, step by step

motivator traces back through two separate lines of ancestry.

via English motivate

StepLanguageWordMeaning
1EnglishmotivateTo provide someone with an incentive to do...
2English-atehaving the specified thing; characterized by the...
3English-cyUsed to form nouns of state, condition or quality...
4Anglo-Norman-cie
5Latin-tiaoffice, rank
6Latin-iaUsed to form a feminine abstract noun, usually...
7Latin-iusforming adjectives from nouns; nominative neuter...
8Proto-Italic-jōsForms comparative adjectives
9Proto-Indo-European-yósCreates adjectives from noun or verb stems

via English ‐or

StepLanguageWordMeaning
1English‐orCreates an agent noun, often from a verb, indicating a person or object (often machines or parts of them) that do the verb or part of speech with which they are formed
2Middle English-our
3Old French-eorAlternative form of -or
4Latin-ator-ator, -er; second-person singular future passive...
5Latin-tor-er
6Proto-Italic-tōrForms agent nouns to verb stems
7Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
8Proto-Indo-European-tor-s
Every word from Proto-Indo-European -yósEvery word from Latin -iaEvery word from English -ate