This is the 5451st most frequent German word.
beethoven
"Beethoven" is not a German word with a definition; it is a surname, notably of composer Ludwig van Beethoven.
In this sentence, 'Beethoven' is used as a proper noun referring to the historical figure Ludwig van Beethoven.
Beethoven war ein berühmter Komponist.
Beethoven was a famous composer.
Here, 'Beethoven' indicates the creator of music pieces, serving as a proper noun in the genitive case to show possession.
Ich höre gerne Stücke von Beethoven.
I enjoy listening to pieces by Beethoven.
In this context, 'Beethoven' functions as part of a compound noun (Beethoven-Festival) naming an event associated with Ludwig van Beethoven.