Entregarte comes from the verb entregar, meaning "to deliver" or "to hand over." When used reflexively as entregarte, it means "to give yourself" or "to surrender yourself."
In this romantic song, the singer uses entregarte to express a profound desire to commit completely to his beloved, saying "Quiero entregarte mi vida" (I want to give you my life). It signifies a deep, emotional surrender and dedication, making it a powerful and engaging word for a love song.