Where does “Bernerin” come from?

Bernerin (German) comes from German Berner, from German Bern, from German Bernd, from German Bernhard, from Old High German Bernhart, from Old High German hart, from Proto-West Germanic hard(ī), from Proto-Germanic harduz — to travel, tour.

Ancestry of “Bernerin”, step by step

StepLanguageWordMeaning
1GermanBernerBernese
2GermanBern
3GermanBerndan anon
4GermanBernhardBernard
5Old High GermanBernhart
6Old High Germanharthard
7Proto-West Germanichard(ī)hard
8Proto-Germanicharduzhard; brave
9Proto-Indo-Europeankert-times; to weave, twist together; time
10Proto-Turkic*keŕ-to travel, tour
Every word from Proto-Turkic *keŕ-