Where does “*þurfti” come from?
*þurfti (Proto-West Germanic) comes from Proto-Germanic þurftiz, from Proto-Germanic þurbaną, from Proto-Indo-European terp- — to satisfy.
Ancestry of “*þurfti”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Germanic | þurftiz | need, necessity |
| 2 | Proto-Germanic | þurbaną | to need, to require; to have to |
| 3 | Proto-Indo-European | terp- | to satisfy |