Where does “tunnvalv” come from?
tunnvalv (Swedish) comes from Swedish tunna, from Swedish tunn, from Old Norse þunnr, from Proto-Germanic þunnuz, from Proto-Indo-European ténh₂us, from Proto-Indo-European tenh₂-, from Proto-Indo-European ten- — to stretch, to extend.
tunnvalv (Swedish): a barrel vault
Ancestry of “tunnvalv”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Swedish | tunna | to make or become thin or sparse, to disperse, to... |
| 2 | Swedish | tunn | thin; having small thickness; scanty, thin;... |
| 3 | Old Norse | þunnr | thin |
| 4 | Proto-Germanic | þunnuz | thin |
| 5 | Proto-Indo-European | ténh₂us | thin |
| 6 | Proto-Indo-European | tenh₂- | to stretch, to extend |
| 7 | Proto-Indo-European | ten- | to stretch, to extend |