Calvario literally refers to "Calvary," the place where Jesus was crucified, and by extension, it means an "ordeal" or a "great suffering."
In this song, the narrator uses it to describe the immense suffering and hardship a woman endures in an abusive relationship. The word powerfully conveys the depth of her pain and the severe challenges she faces, making it a striking and memorable choice to highlight the song's theme of overcoming adversity.
This song, "Tu No Vales Más Que Yo" by Michel el Buenón, is a powerful declaration of independence and self-worth after a toxic relationship. It starts with a neighbor's concern, hearing the "gritos de anoche" [screams from last night] and wondering how someone so beautiful could endure such a "calvario" [ordeal]. The singer wakes up, avoiding the sun, feeling the heavy silence in the house, knowing "estas paredes saben bien lo que pasó" [these walls know well what happened].
It's a moment of breaking free. The singer is done with apologies and excuses, wanting only "un poco de valor para decirte que no eres mejor que yo" [a little courage to tell you that you are not better than me]. They recount the pain, the partner's hand "dibujando un cinturón" [drawing a belt] in the air, and the cowardly excuses. The lyrics are blunt: "ni el mismo me hubiera hecho el daño que me has hecho tu" [not even he would have done me the harm you have done me]. It's a defiant farewell, a curse, and a final, fearless statement: "que tú no vales más que yo" [that you are not worth more than me]. The song ends with the moon telling the cowardly sun the same truth, reinforcing the message of reclaiming power.