Where does “þumi” come from?
þumi (Old Swedish) comes from Old Norse þúmi, from Proto-Germanic þūmô, from Proto-Indo-European tūm-, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.
þumi (Old Swedish): thumb
Ancestry of “þumi”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Norse | þúmi | — |
| 2 | Proto-Germanic | þūmô | thumb |
| 3 | Proto-Indo-European | tūm- | to grow; to swell, to increase; to swell, be... |
| 4 | Proto-Indo-European | tewh₂- | to swell; to crowd; to be strong |