Where does “osculator” come from?

osculator (English) comes from English osculate, from Latin ōsculor, from Latin ōsculum, from Latin -culum, from Proto-Italic -klom, from Proto-Indo-European -tlom, from Proto-Indo-European -trom, from Proto-Indo-European -tḗr — Derives agent nouns from verbs, denoting someone...

osculator (English): An algorithm for performing osculation; A circle...

Definitions

  1. An algorithm for performing osculation; A circle...

Ancestry of “osculator”, step by step

osculator traces back through two separate lines of ancestry.

via English osculate

StepLanguageWordMeaning
1EnglishosculateTo kiss someone or something; To touch so as to...
2Latinōsculorto kiss
3Latinōsculuma kiss
4Latin-culumnominative neuter singular of -culus; accusative...
5Proto-Italic-klom
6Proto-Indo-European-tlomAlternative form of *-trom
7Proto-Indo-European-tromForms nouns denoting a tool or instrument
8Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

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 -tḗrEvery word from Latin -culumEvery word from Proto-Italic -klom