English
embeam
From em- + beam.
Proto-Indo-European *bʰew- ‘to grow, swell’
Proto-Germanic *baumaz ‘tree, beam, balk’
Proto-West Germanic *baum ‘tree’
Old English bēam ‘tree, cross, gallows, column, pillar, wood,…’
Middle English bem ‘a beam’
English beam
Today it means
verb To make brilliant with beams.
Language periods are conventional ranges, not dates for this word.
Etymograph / embeam