Middle English word beem comes from Proto-Indo-European *bū-, Proto-Indo-European *bhū, and later Proto-Germanic *baumaz (Beam, balk. Tree.)

Detailed word origin of beem

Dictionary entry	Language	Definition
*bū-	Proto-Indo-European (ine-pro)
*bhū	Proto-Indo-European (ine-pro)
*baumaz	Proto-Germanic (gem-pro)	Beam, balk. Tree.
bēam	Old English (ang)
beam	Old English (ang)	Beam of wood. The Cross. Tree.
beem	Middle English (enm)

Words with the same origin as beem