Reconstruction:Proto-Germanic/-ū
Proto-Germanic
Etymology
Inherited from Proto-Indo-European *-uh₁ (u-stem instrumental singular), from *-us (u-stem suffix) + *-h₁ (instrumental singular suffix).
Suffix
*-ū
- Forms the instrumental singular of masculine/feminine u-stem nouns.
- *sunuz (“son”) + *-ū → *sunū (“with the son”)