Buscó
Buscó is the third-person singular preterite form of the Spanish verb buscar, used in the indicative mood. It corresponds to he looked for, she looked for, or you (formal) looked for, and it marks a completed action in the past. The form is common in everyday narration, reporting events, or describing past attempts to find something, information, or someone.
In terms of tense and aspect, buscó contrasts with busca (present), buscaba (imperfect), and buscará (future).
Examples: “Ayer, Marta buscó las llaves por toda la casa.” “El investigador buscó respuestas en el informe.”