Where does “ploughbeam” come from?

ploughbeam (English) comes from English Plough, from Middle English plouh, from Old English plōh, from Old Frisian plōg, from Proto-Germanic plōgaz, from Proto-Celtic ɸlowyos, from Proto-Indo-European plówyos, from Proto-Indo-European plew- — to fly, flow, run.

ploughbeam (English): Wooden or metal bar that connects the shares of a plough to the yoke

Definitions

  1. Wooden or metal bar that connects the shares of a plough to the yoke

Ancestry of “ploughbeam”, step by step

ploughbeam traces back through two separate lines of ancestry.

via English Plough

StepLanguageWordMeaning
1EnglishPloughThe brightest seven stars of the constellation Ursa Major. They are Alkaid, Mizar, Alioth, Megrez, Dubhe, Merak, and Phecda
2Middle Englishplouh
3Old Englishplōhhide of land, ploughland
4Old Frisianplōgtroop, common interest
5Proto-Germanicplōgazplough
6Proto-Celticɸlowyosrudder
7Proto-Indo-Europeanplówyosship
8Proto-Indo-Europeanplew-to fly, flow, run

via English beam

StepLanguageWordMeaning
1EnglishbeamAny large piece of timber or iron long in...
2Middle EnglishbeemA usually wooden beam or pole
3Old Englishbēamtree, cross, gallows, column, pillar, wood, beam,...
4Proto-West Germanicbaumtree; beam
5Proto-GermanicbaumazAlternative form of *bagmaz; tree, beam, balk;...
6Proto-Indo-Europeanbʰew-to grow, swell; to swell, wax, grow; to blow; to...
Every word from Proto-Indo-European plew-Every word from Proto-Indo-European plówyosEvery word from Proto-Celtic ɸlowyos