elaboró
Elaboró is the third person singular and formal second person (usted) preterite indicative form of the Spanish verb elaborar, meaning "to elaborate," "to produce," "to prepare," or "to develop." It is used to indicate a completed action in the past: for example, "Ella elaboró el informe" ("She prepared the report") or "Usted elaboró la propuesta" ("You prepared the proposal").
The acute accent on the final o marks the past tense stress and differentiates elaboró from elaboro,
Etymologically, elaborar derives from Latin elaborare, a compound related to laborare ("to work"), conveying the sense