|u-stemDeclension of *-þuz (u-stem)|
There are several variant forms based on the final consonant of the stem and the original position of the accent:
- Ending in a dental: *-suz (with the Germanic spirant law applied)
- Ending in an obstruent: *-tuz (with the Germanic spirant law applied)
- Otherwise: *-þuz, *-duz
This suffix was no longer productive in the daughter languages. The following lists outcomes of derived terms.