This is the 1439th most frequent Polish word.
zajął
"Took" or "occupied" (past tense of "zająć").
In this sentence, 'zajął' is used to indicate occupying or achieving a particular position or status.
On zajął pierwsze miejsce w konkursie.
He took first place in the competition.
Here, 'zajął' reflects taking responsibility or dedicating one's attention to an activity.
Zajął się rozwiązaniem problemu.
He engaged in solving the problem.
In this instance, 'zajął' refers to taking a physical location or space.