Origin: Germanic Old English prefix
Beethoven has 3 different meanings across 2 categories:
German composer of instrumental music (especially symphonic and chamber music); continued to compose after he lost his hearing (1770-1827)
"Beethoven's late symphonies, composed despite his total deafness, remain some of the most powerful works in classical music."
A surname, from German, usually applying to Ludwig van Beethoven.
"The concert featured a rare performance of music by the famous composer whose surname is Beethoven."
The name Beethoven was borrowed into English directly from the German composer's surname. That German form originally came from a Dutch word meaning "deep river."