descansaron
Descansaron is the third-person plural form of the Spanish verb descansar in the pretérito indefinido (simple past). It translates as "they rested" or "you all rested," depending on the subject used in the sentence. The form is used with ellos, ellas, or ustedes.
Descansar is a regular -ar verb, so its pretérito indefinido endings follow the pattern -é, -aste, -ó,
Usage notes: The pretérito indefinido expresses a completed action in the past with a definite time frame
Regional and stylistic notes: In all Spanish-speaking regions, ustedes is used as the second-person plural, and
Etymology: Descansar comes from the Spanish verb descansar, which denotes to take a rest or to relieve