Where does “þiǣna” come from?

þiǣna (Old Swedish) comes from Old Norse þjóna, from Proto-Germanic þewanōną, from Proto-Indo-European tekʷ- — to run, to flow.

Ancestry of “þiǣna”, step by step

StepLanguageWordMeaning
1Old Norseþjónato serve
2Proto-Germanicþewanōnąto serve
3Proto-Indo-Europeantekʷ-to run, to flow

Words derived from “þiǣna”

Every word from Proto-Indo-European tekʷ- →Every word from Proto-Germanic þewanōną →Every word from Old Norse þjóna →