Where does “einingarfylki” come from?
einingarfylki (Icelandic) comes from Icelandic eining, from Icelandic einn, from Old Norse einn, from Proto-Germanic ainaz, from Proto-Indo-European óynos — one; single.
einingarfylki (Icelandic): identity matrix, unit matrix
Definitions
- identity matrix, unit matrix
Ancestry of “einingarfylki”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Icelandic | eining | unit; module; unity |
| 2 | Icelandic | einn | einn m, ein f, eitt n; one; the cardinal number... |
| 3 | Old Norse | einn | one; some, a few |
| 4 | Proto-Germanic | ainaz | one; some |
| 5 | Proto-Indo-European | óynos | one; single |