This is the 1880th most frequent Turkish word.
girer
"Enters"
Here, 'girer' is in the present tense and indicates the action of entering happening at the current moment or habitually.
Ali kapıdan içeri girer.
Ali enters through the door.
In this case, 'girer' is used figuratively to describe light penetrating the room, giving a poetic sense.
Günün ilk ışıkları odaya girer.
The first rays of the day enter the room.
Here, 'girer' is used metaphorically to indicate the initiation of involvement by the police in a situation.