Where does “ejaculator” come from?

ejaculator (English) comes from English ejaculate, from Latin ēiaculātus, from Latin ēiaculor, from Latin iaculor, from Latin iaculum, from Latin iaculus, from Latin -ulus, from Proto-Italic -olos — Forms agent nouns from verbal roots.

ejaculator (English): A person or thing that ejaculates; A device that...

Definitions

  1. A person or thing that ejaculates; A device that...

Ancestry of “ejaculator”, step by step

ejaculator traces back through two separate lines of ancestry.

via English ejaculate

StepLanguageWordMeaning
1EnglishejaculateTo eject abruptly; to throw out suddenly and...
2Latinēiaculātushurling, shooting out, having hurled out, shooted out
3Latinēiaculorto shoot out; throw out; hurl with force
4LatiniaculorI throw or hurl; I throw or fight with a javelin
5LatiniaculumA dart, a javelin; A casting net, the weapon of a...
6Latiniaculusthat is thrown; a serpent that darts from a tree...
7Latin-ulusUsed to form a diminutive of a noun, indicating...
8Proto-Italic-olos
9Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
10Proto-Indo-European-e-lós
11Proto-Indo-European-lósForms agent nouns from verbal roots

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 -lósEvery word from Latin -ulusEvery word from Latin iaculus