Where does “waybeam” come from?

waybeam (English) comes from English beam, from Middle English beem, from Old English bēam, from Proto-West Germanic baum, from Proto-Germanic baumaz, from Proto-Indo-European bʰew- — to grow, swell; to swell, wax, grow; to blow; to...

waybeam (English): A longitudinal timber supporting railway track, especially on a bridge

Definitions

  1. A longitudinal timber supporting railway track, especially on a bridge

Ancestry of “waybeam”, step by step

waybeam traces back through two separate lines of ancestry.

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...

via English Way

StepLanguageWordMeaning
1EnglishWayChristianity
2Middle Englishway
3Old Englishweġway; path; way, road, path
4Proto-West Germanicwegway, road
5Proto-Germanicwēgazwave; sea
6Proto-Indo-Europeanweǵʰ-to bring; to transport
Every word from Proto-Indo-European bʰew-Every word from Proto-Germanic baumazEvery word from Proto-West Germanic baum