Where does “Dubhe” come from?

Dubhe (English) comes from Arabic اَلْظَهْرُ اَلْدُبِّ اَلْأَكْبَر, from Arabic دُبّ — bear; bull.

Ancestry of “Dubhe”, step by step

Step	Language	Word	Meaning
1	Arabic	اَلْظَهْرُ اَلْدُبِّ اَلْأَكْبَر	the back of the great bear
2	Arabic	دُبّ	bear; bull

Dubhe — Etymology, Origin & Word History | Etymology Explorer