Where does “tightbeam” come from?

tightbeam (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...

tightbeam (English): A focused beam of energy that contains and...

Definitions

  1. A focused beam of energy that contains and...

Ancestry of “tightbeam”, step by step

tightbeam 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 tight

StepLanguageWordMeaning
1EnglishtightFirmly held together; compact; not loose or open;...
2Middle Englishtight
3Old Englishþiht
Every word from Proto-Indo-European bʰew-Every word from Proto-Germanic baumazEvery word from Proto-West Germanic baum