Where does “shoebeam” come from?

shoebeam (English) comes from English shoe, from German Schuh, from Middle High German schuo, from Old High German scuoh, from Proto-West Germanic skōh, from Proto-Germanic skōhaz, from Proto-Indo-European skewk-, from Proto-Indo-European (s)kew- — to caw, to howl; to cover, hide; to cover, hide,...

shoebeam (English): A beam of non-conductive material (usually fibreglass or wood), attached to a train bogey that supports the pickup shoe

Definitions

  1. A beam of non-conductive material (usually fibreglass or wood), attached to a train bogey that supports the pickup shoe

Ancestry of “shoebeam”, step by step

shoebeam traces back through two separate lines of ancestry.

via English shoe

StepLanguageWordMeaning
1EnglishshoeA protective covering for the foot, with a bottom...
2GermanSchuhshoe
3Middle High Germanschuo
4Old High Germanscuohshoe
5Proto-West Germanicskōhshoe
6Proto-Germanicskōhazshoe
7Proto-Indo-Europeanskewk-
8Proto-Indo-European(s)kew-to caw, to howl; to cover, hide; to cover, hide,...

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 (s)kew-Every word from Proto-Indo-European skewk-Every word from Proto-Germanic skōhaz