Where does “þráðnykra” come from?
þráðnykra (Icelandic) comes from Icelandic þráður, from Old Norse þráðr, from Proto-Germanic þrēduz, from Proto-Indo-European treh₁-tu-, from Proto-Indo-European terh₁- — to rub, turn; to drill, pierce.
þráðnykra (Icelandic): slender-leaf pondweed (Stuckenia filiformis, syn. Potamogeton filiformis)
Definitions
- slender-leaf pondweed (Stuckenia filiformis, syn. Potamogeton filiformis)
Ancestry of “þráðnykra”, step by step
þráðnykra traces back through two separate lines of ancestry.
via Icelandic þráður
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Icelandic | þráður | string, strand, thread; fibre; thread |
| 2 | Old Norse | þráðr | thread; past participle of þreyja; past... |
| 3 | Proto-Germanic | þrēduz | thread, twisted fibre |
| 4 | Proto-Indo-European | treh₁-tu- | — |
| 5 | Proto-Indo-European | terh₁- | to rub, turn; to drill, pierce |
via Icelandic nykra
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Icelandic | nykra | pondweed plant of the genus |
| 2 | Icelandic | nykur | a water-demon, the nixie, the nick |
| 3 | Old Norse | nykr | a water-demon, the nixie, the nick; mostly appearing as a grey horse-like creature with inverted hoofs and forward fetlocks that emerges from lakes |
| 4 | Proto-Germanic | nikwiz- | — |
| 5 | Proto-Indo-European | neygʷ- | to wash |