Where does “optoisolator” come from?

optoisolator (English) comes from English isolator, 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.

optoisolator (English): A device that transmits a signal optically...

Definitions

  1. A device that transmits a signal optically...

Ancestry of “optoisolator”, step by step

StepLanguageWordMeaning
1EnglishisolatorAn electrical device that detects short circuits...
2English‐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
3Middle English-our
4Old French-eorAlternative form of -or
5Latin-ator-ator, -er; second-person singular future passive...
6Latin-tor-er
7Proto-Italic-tōrForms agent nouns to verb stems
8Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
9Proto-Indo-European-tor-s
Every word from Proto-Indo-European -tor-s