Where does “penetrator” come from?

penetrator (English) comes from English ‐or, from Middle English -our, from Old French -eor, from Latin -ator, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

penetrator (English): Something that penetrates

Definitions

  1. Something that penetrates

Ancestry of “penetrator”, step by step

penetrator traces back through two separate lines of ancestry.

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

via English penetrate

StepLanguageWordMeaning
1EnglishpenetrateTo enter into; to make way into the interior of;...
2Latinpenētrātus
3Latinpenētrōto enter
Every word from Proto-Indo-European -tor-sEvery word from Latin -torEvery word from Middle English -our