Doktorwürde (German) comes from German Würde, from Middle High German wirde, from Old High German wirdī, from Proto-Germanic werþaz, from Proto-Indo-European wert-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.
Ancestry of “Doktorwürde”, step by step
Doktorwürde traces back through two separate lines of ancestry.