Where does “armlength” come from?
armlength (English) comes from English arm, from Middle English arm, from Old English earm, from Proto-West Germanic arm, from Proto-Germanic armaz, from Proto-Indo-European h₂ermos, from Proto-Indo-European h₂er- — to fit, to fix, to put together.
armlength (English): The length of each arm of an interferometer
Definitions
- The length of each arm of an interferometer
Ancestry of “armlength”, step by step
armlength traces back through two separate lines of ancestry.
via English arm
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | arm | The portion of the upper human appendage, from... |
| 2 | Middle English | arm | arm; poor; miserable, wretched |
| 3 | Old English | earm | arm; poor, miserable |
| 4 | Proto-West Germanic | arm | arm; poor, miserable; pitiful, pitiable |
| 5 | Proto-Germanic | armaz | arm; poor, miserable; pitiful, pitiable |
| 6 | Proto-Indo-European | h₂ermos | — |
| 7 | Proto-Indo-European | h₂er- | to fit, to fix, to put together |