Where does “edrú” come from?
edrú (Icelandic) comes from Danish ædru, from Old Danish ædru, from Old Norse æ, from Proto-Germanic aiwį̄, from Proto-Germanic aiwaz, from Proto-Indo-European h₂eyu-, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.
edrú (Icelandic): sober
Ancestry of “edrú”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Danish | ædru | sober |
| 2 | Old Danish | ædru | — |
| 3 | Old Norse | æ | ever, at any time; inflection of æja:
##... |
| 4 | Proto-Germanic | aiwį̄ | — |
| 5 | Proto-Germanic | aiwaz | long time, age, eternity |
| 6 | Proto-Indo-European | h₂eyu- | vitality; eternal; vital force, life, long life,... |
| 7 | Proto-Indo-European | h₂ey- | vital force, life, age, eternity; day, morning |