Hey, you got it right!
According to Wikipedia:

  • Rowling stated she chose the name Dumbledore, which is an Early Modern English word for “bumblebee”, because of Dumbledore’s love of music: she imagined him walking around “humming to himself a lot”

I would love it if you would share the video with your friends. Just click that little twitter or facebook button above then make sure to download the song below!