Where does “Þrúður” come from?

Þrúður (Icelandic) comes from Old Norse Þrúðr, from Proto-Germanic þrūþiz, from Proto-Germanic -þiz, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

Ancestry of “Þrúður”, step by step

StepLanguageWordMeaning
1Old NorseÞrúðr—
2Proto-Germanicþrūþizstrength
3Proto-Germanic-þizForms abstract nouns from verb roots, usually...
4Proto-Indo-European-tisDerives abstract/action nouns from verb roots
Every word from Proto-Indo-European -tis →Every word from Proto-Germanic -þiz →Every word from Proto-Germanic þrūþiz →
Þrúður — Etymology, Origin & Word History | Etymology Explorer