Naufragase is the imperfect subjunctive form of naufragar, meaning "to shipwreck". It's a dramatic and evocative word that paints a vivid picture of being lost at sea.
In the context of "Por Amor", Andrea Bocelli uses it to express a profound sense of being overwhelmed by emotion, singing "Este mar enorme naufragase en mí" (This enormous sea would be shipwrecked in me). This metaphorical use elevates the song's emotional intensity, making it a memorable and powerful word choice.
Bocelli spends the whole first verse telling someone he already knows everything about them. "Yo conozco tu camino" (I know your road), he sings, and a few lines later "Yo conozco tu respiro" (I know your breathing), and the promise underneath it is stubborn rather than tender: "Como roca a ti regresaré" (like a rock I will come back to you). Then the chorus turns into an interrogation. "¿Has corrido sin aliento?" (Have you run until you were out of breath?) "¿Sin desfallecimiento?" (Without ever giving in?) He wants to know what this person actually spent on love, and he asks for a number: "Cuánto de ti has puesto" (how much of yourself you put in).
The answer comes back as wreckage. "De tu orgullo queda el llanto" (all that is left of your pride is tears). Three times the song reaches for the same image of being swallowed by something enormous, and each one lands heavier than the last: "Este cielo en llamas se cayese en mí" (this sky in flames were falling on me), then a river flooding over him, then "Este mar enorme naufragase en mí" (this enormous sea were sinking inside me). For a song built this big, the closing line is oddly small and honest: "Cuánto me cuesta no saberte mía" (how hard it is not to know you are mine). This is the Spanish version of "Per amore" from Romanza, the same melody with a different language poured into it.