Where does “beamwidth” come from?
beamwidth (English) comes from English width, from English wide, from Old English wīd, from Proto-Germanic wīdaz, from Proto-Indo-European h₁weydʰh₁os, from Proto-Indo-European dwi-, from Proto-Indo-European dwóh₁ — two.
beamwidth (English): The width of a beam of radiation
Definitions
- The width of a beam of radiation
Ancestry of “beamwidth”, step by step
beamwidth traces back through two separate lines of ancestry.
via English width
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | width | The state of being wide; The measurement of the... |
| 2 | English | wide | Having a large physical extent from side to side;... |
| 3 | Old English | wīd | wide, vast, broad, long; distant, far |
| 4 | Proto-Germanic | wīdaz | wide; broad |
| 5 | Proto-Indo-European | h₁weydʰh₁os | set apart, asunder, in two |
| 6 | Proto-Indo-European | dwi- | two; apart, asunder |
| 7 | Proto-Indo-European | dwóh₁ | two |
via English beam
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | beam | Any large piece of timber or iron long in... |
| 2 | Middle English | beem | A usually wooden beam or pole |
| 3 | Old English | bēam | tree, cross, gallows, column, pillar, wood, beam,... |
| 4 | Proto-West Germanic | baum | tree; beam |
| 5 | Proto-Germanic | baumaz | Alternative form of *bagmaz; tree, beam, balk;... |
| 6 | Proto-Indo-European | bʰew- | to grow, swell; to swell, wax, grow; to blow; to... |