Partirò is the future tense of the Italian verb partire, meaning "to depart". It literally translates to "I will depart".
This single word is the heart of the song's iconic title, Con te partirò (With you, I will depart). It's not a sad goodbye, but a powerful promise to embark on a grand journey with a loved one, exploring new worlds ("paesi che non ho mai veduto") that will now be brought to life. It captures the epic, hopeful spirit of this world-famous ballad.
Andrea Bocelli's "Con Te Partirò" is one of the most famous Italian songs ever, and it's basically a massive, beautiful love letter. The singer starts by saying that when he's alone, he feels like he's in a dark room with no sun: "non c'è luce in una stanza quando manca il sole / Se non ci sei tu con me" (there's no light in a room when the sun is missing / If you are not here with me). This person he's singing to is his sun, his moon, his everything.
But the song isn't about being sad and alone. It's about what happens when they're together. He wants to leave and travel the world with this person. The title itself means "With you, I will leave." He sings about going to "Paesi che non ho mai / Veduto e vissuto con te" (Countries that I have never / Seen and lived with you). He even says he'll travel with them "Su navi per mari / Che io lo so / No no non esistono più" (On ships across seas / That I know / No, no, no longer exist). It's a promise of a grand, almost impossible adventure, all powered by love.