This is the 1353rd most frequent Turkish word.
peş
"Peş" means "after" or "pursuit" in English.
Here, 'peşin' refers to the act of chasing or pursuing something, implying a figurative or literal following.
Çocuğun sürekli bir şeyin peşinde koşması annesini endişelendiriyor.
The child's constant pursuit of something worries his mother.
The word 'peşine' is used to indicate following or joining the activity of going to the cinema.
Arkadaşlarımızla akşam yemeğinden sonra sinema peşine takıldık.
After dinner with friends, we joined the pursuit of the cinema.
'Peşinde' indicates being engaged in or striving for a certain goal, showing determination or focus.