Where does “beam” come from?

Beam comes from Old English bēam, from Proto-Germanic baumaz, from Proto-Indo-European bʰew-, with the original sense referring to a tree or wooden structure.

beam (English): Any large piece of timber or iron long in...

Definitions

  1. Any large piece of timber or iron long in...

Ancestry of “beam”, step by step

StepLanguageWordMeaning
1Middle EnglishbeemA usually wooden beam or pole
2Old Englishbēamtree, cross, gallows, column, pillar, wood, beam,...
3Proto-West Germanicbaumtree; beam
4Proto-GermanicbaumazAlternative form of *bagmaz; tree, beam, balk;...
5Proto-Indo-Europeanbʰew-to grow, swell; to swell, wax, grow; to blow; to...

Words derived from “beam

Every word from Proto-Indo-European bʰew-
beam — Etymology, Origin & Word History | Etymology Explorer