English

feedthrough

From feed + through.

A compound of feed + through

Proto-Germanic *fōdijaną ‘to feed’

Proto-West Germanic *fōdijan ‘to feed’

Old English fēdan ‘to feed’

Middle English feden

English feed

Proto-Indo-European *terh₂- ‘to cross over, pass through’

Proto-Germanic *þurhw ‘through’

Old English þurh ‘through’

Middle English thurgh

Today it means

noun A conductor that connects circuits or components on either side of a printed circuit board.

Language periods are conventional ranges, not dates for this word.

Etymograph / feedthrough