colocó
Colocó is the third-person singular form of the Spanish verb colocar in the pretérito indefinido (simple past). It corresponds to “he placed” or “she placed” in English and is used to describe an action in which something was put somewhere by a specific subject in the past. The form is derived from the infinitive colocar by removing the -ar and adding the -ó ending for the third person singular.
Colocar is a transitive verb, so colocó is typically followed by a direct object and a locative
Spelling note: The accent on the final -ó marks the stress in the pretérito indefinido. In use
Cross-language note: In Portuguese, the equivalent verb is colocar, with forms such as colocou for he placed.
In summary, colocó is a common past-tense form used to indicate that someone placed or put something