Where does “trøndir” come from?

trøndir (Norwegian Nynorsk) comes from Old Norse þrǿndir, from Old Norse þróask, from Proto-Germanic *þrōwōną — to thrive, prosper.

Ancestry of “trøndir”, step by step

StepLanguageWordMeaning
1Old Norseþrǿndir—
2Old Norseþróask—
3Proto-Germanic*þrōwōnąto thrive, prosper
Every word from Proto-Germanic *þrōwōną →Every word from Old Norse þróask →Every word from Old Norse þrǿndir →