Cauce translates to "riverbed" or "channel." It's a less common word in everyday Spanish, making it stand out in lyrics.
In the song, iLe sings, "Siento un vacĂo como un cauce abandonado por su rĂo" (I feel an emptiness like a riverbed abandoned by its river). This powerful metaphor evokes a profound sense of desolation and loss, painting a vivid picture of emotional emptiness.
This song describes a powerful and complicated relationship filled with tension and contradictions. The singers portray themselves as an unavoidable force in someone's life, comparing themselves to a "wildcat" with sharp claws and a devastating "hurricane." They are both a source of pain that "fractures and dislocates" and a source of nourishment and joy, feeding the other person "until you say enough."
There's a sense of a deep, almost toxic connection. The speaker becomes a mirror for the other person's suffering, carrying their burdens like a "cross on my forehead." Looking at this person brings a feeling of emptiness, like a "riverbed abandoned by its river." The song paints a vivid picture of being trapped in someone else's darkness, stuck in their "abyss, alone and somber."