What does Dov mean in Yiddish?

Excuse me, could you please clarify the meaning of the term "Dov" in the context of Yiddish? I'm particularly interested in understanding its etymological origins and how it is typically used within the Yiddish language. Is it a common noun, adjective, or perhaps a nickname with a special significance? Additionally, would you be able to provide an example of how "Dov" might be used in a sentence within a Yiddish conversation? I'm keen to gain a deeper understanding of this term and its cultural significance within the Yiddish-speaking community. Thank you for your assistance.