Where does “optoerotin” come from?

optoerotin (Finnish) comes from Finnish erotin, from Finnish erottaa, from Finnish erota, from Finnish ero, from Finnish -o, from Proto-Finnic -o, from Proto-Uralic -w.

optoerotin (Finnish): optoisolator, optocoupler

Definitions

  1. optoisolator, optocoupler

Ancestry of “optoerotin”, step by step

optoerotin traces back through two separate lines of ancestry.

via Finnish erotin

StepLanguageWordMeaning
1Finnisherotinseparator; disconnector; First-person singular...
2Finnisherottaato separate; to divide; to fire, dismiss
3Finnisherotato divorce; to differ, be different; to resign
4Finnisherodifference, distinction; Short for avioero;...
5Finnish-oForms result or action nouns from verbs; Forms...
6Proto-Finnic-oForms action/result nouns from verbs
7Proto-Uralic-w

via Finnish opto

StepLanguageWordMeaning
1Finnishopto
Every word from Proto-Uralic -wEvery word from Finnish -oEvery word from Proto-Finnic -o