Amortiguas is the conjugated form of the verb amortiguar, meaning "to soften" or "to cushion." It's a beautiful and tender word you don't hear every day, often used to describe softening a physical impact.
In the song, the singer uses it metaphorically, pleading, "Tan sólo si amortiguas mi caída" (If you just cushion my fall). This powerful image expresses a deep vulnerability and the need for emotional support, making it a truly poetic and unforgettable word.
Café Tacvba leans completely into unabashed romantic devotion in Quiero Ver. The singer does not merely want to be around someone; he wants to occupy every inch of their daily routine. He fantasizes about turning into inanimate objects just to be close to them, asking to be "el peine que desnuda tu esplendor" ("the comb that strips bare your splendor") and "la esquina que te ve cuando caminas" ("the street corner that watches you walk by"). It is sweet, vivid, and a little obsessive. He is hooked on the sensory details: hearing "la melodía de tu voz" ("the melody of your voice") and watching her laugh all day long.
Then the mood shifts from daydreaming to an urgent plea for rescue. He asks her to heal an old hurt—"Te pido que me cures esta herida" ("I ask you to heal this wound for me")—while immediately conceding that she owes him nothing: "Yo sé muy bien que no es tu obligación" ("I know very well that it is not your obligation"). In exchange for softening his fall, he offers heavy promises. He vows not to hurt her and pledges his entire heart "sin reparo" ("without hesitation" or "without holding back"). By calling himself "tu último dolor" ("your last pain"), he swears that whatever hurt he causes will be the final sorrow she ever has to endure.