Conversation so far:
Where is beowolf from?
Beowulf is an Old English epic poem. Beowulf, a hero of the Geats, comes to the aid of Hrothgar. Victorious, Beowulf goes home to Geatland (Götaland in modern Sweden).
What does Beowolf do?
Beowulf slays the monster Grendel and the monster's mother. He then goes home to Sweden and becomes the king. 50 years later Beowulf defeats a dragon but also dies.

Question: What does beowulf mean?
Self-contained rewrite: What does beowulf mean?