This is the 12892nd most frequent Spanish word.
partieron
"They departed" or "they set off."
In this context, 'partieron' is used to indicate the action of leaving or setting out on a journey.
Los exploradores partieron hacia el ártico al amanecer.
The explorers departed for the Arctic at dawn.
Here, 'partieron' means to split or divide something into parts, highlighting different senses of the verb 'partir'.
Ellos partieron el pan en pequeños trozos para compartir.
They broke the bread into small pieces to share.
In this sentence, 'partieron' figuratively indicates deciding to take separate courses of action.