Where does “tumppu” come from?
tumppu (Finnish) comes from Swedish tumvante, from Swedish tumme, from Old Swedish þumi, 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.
Ancestry of “tumppu”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Swedish | tumvante | — |
| 2 | Swedish | tumme | a thumb; a digit; the part of a glove or mitten... |
| 3 | Old Swedish | þumi | thumb |
| 4 | Old Norse | þúmi | — |
| 5 | Proto-Germanic | þūmô | thumb |
| 6 | Proto-Indo-European | tūm- | to grow; to swell, to increase; to swell, be... |
| 7 | Proto-Indo-European | tewh₂- | to swell; to crowd; to be strong |