This is the 7015th most frequent Turkish word.
daum
The word "daum" does not exist in standard Turkish.
The word 'da' in this sentence is used to mean 'also' or 'as well', indicating that the mentioned action (going to school) is in addition to going to the park.
Çocuk parka gidiyor, sonra okula da uğrayacak.
The child is going to the park, and then to the school as well.
Here, 'da' serves to emphasize the inclusion of an item (pen) in the context of other mentioned items (math book and notebook), acting synonymously to 'also' or 'too'.
Matematik kitabını, defteri ve kalemini da almayı unutma.
Don't forget to also take your math book, notebook, and pen.
In this sentence, 'da' again functions as 'also' or 'as well', showing that both groups took trips but to different destinations.