Where does “feedthrough” come from?

feedthrough (English) comes from English through, from Middle English thrugh, from Old English þurh, from Proto-Germanic þurhw, from Proto-Indo-European tr̥h₂kʷe, from Proto-Indo-European terh₂- — to cross over, pass through, overcome.

feedthrough (English): A conductor that connects circuits or components...

Definitions

  1. A conductor that connects circuits or components...

Ancestry of “feedthrough”, step by step

feedthrough traces back through two separate lines of ancestry.

via English through

StepLanguageWordMeaning
1EnglishthroughFrom one side of an opening to the other;...
2Middle Englishthrugh
3Old EnglishþurhAPI; through; by means of: by, through, via
4Proto-Germanicþurhwthrough
5Proto-Indo-Europeantr̥h₂kʷe
6Proto-Indo-Europeanterh₂-to cross over, pass through, overcome

via English feed

StepLanguageWordMeaning
1EnglishfeedTo give food to eat; To eat; To give to as...
2Galicianfedenthird-person plural present indicative of feder
3Old Englishfēdanto feed
4Proto-West Germanic*fōdijanto feed
5Proto-Germanicfōdijanąto feed; to give birth
6Proto-Indo-Europeanpeh₂-to protect; to shepherd
Every word from Proto-Indo-European terh₂-Every word from Proto-Indo-European tr̥h₂kʷeEvery word from Proto-Germanic þurhw
feedthrough — Etymology, Origin & Word History | Etymology Explorer