This is the 13335th most frequent Spanish word.
quisieron
"Quisieron" means "they wanted" or "they tried" (preterite tense of "querer").
In this sentence, 'quisieron' is used to express a completed past desire or intention to do something, referring to 'ellos' (they).
Ellos quisieron ir al cine anoche.
They wanted to go to the movie theater last night.
Here, 'quisieron' indicates a past attempt or willingness to help, showing a retrospective perspective.
Por más que quisieron ayudar, no pudieron hacerlo.
No matter how hard they tried to help, they couldn't do it.
In this case, 'quisieron' represents a past desire to obtain knowledge, highlighting their interest in the subject during that time.