Source, Ground Spring
The origin is the origin, but it also refers to the ground springs, where the origin of water comes from.
Since this word is made up of a single kanji, it probably uses the kun'yomi reading. You did not learn this reading, so here's a mnemonic to help you to remember: Think of how this ground spring is everyone's (皆) origin (元). Everyone can use it, it's the 皆元!
Music is a source of power in my daily life.