Where does “dēr” come from?

dēr (Old Frisian) comes from Old Saxon dior, from Proto-West Germanic deuʀ, from Proto-Germanic deuzą, from Proto-Indo-European dʰewsóm, from Proto-Indo-European dʰéws, from Proto-Indo-European dʰwes- — to breathe; breath; spirit, soul > creature.

Ancestry of “dēr”, step by step

dēr traces back through two separate lines of ancestry.

via Old Saxon dior

StepLanguageWordMeaning
1Old Saxondioranimal
2Proto-West Germanicdeuʀanimal, beast
3Proto-Germanicdeuząanimal, beast
4Proto-Indo-Europeandʰewsómliving thing
5Proto-Indo-Europeandʰéwsbreath
6Proto-Indo-Europeandʰwes-to breathe; breath; spirit, soul > creature

via Proto-Germanic þar

StepLanguageWordMeaning
1Proto-Germanicþarthere, in that place
2Proto-Indo-Europeantar-there
3Proto-Indo-Europeanto-it; that; the, that
4Proto-Indo-Europeanthis; that

Words derived from “dēr

Every word from Proto-Indo-European dʰwes-Every word from Proto-Indo-European dʰéwsEvery word from Proto-Indo-European dʰewsóm