Where does “tværvektor” come from?
tværvektor (Danish) comes from Danish tvær-, from Danish tvær, from Old Norse þverr, from Proto-Germanic þwerhaz, from Proto-Germanic þerh-, from Proto-Indo-European terkʷ- — to turn, spin.
tværvektor (Danish): a 2d vector obtained by rotating some 2D vector...
Definitions
- a 2d vector obtained by rotating some 2D vector...
Ancestry of “tværvektor”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Danish | tvær- | cross-, inter- |
| 2 | Danish | tvær | sullen, sulky; imperative of tvære |
| 3 | Old Norse | þverr | athwart, transverse; adverse, contrary; cross,... |
| 4 | Proto-Germanic | þwerhaz | cross, adverse |
| 5 | Proto-Germanic | þerh- | — |
| 6 | Proto-Indo-European | terkʷ- | to turn, spin |