This is the 6289th most frequent Turkish word.
öğretmenlerine
"To their teachers."
In this sentence, 'öğretmenlerine' is the plural dative form of 'öğretmen', meaning 'to their teachers', and indicates the people receiving the action of gratitude.
Öğrenciler öğretmenlerine teşekkür ettiler.
The students thanked their teachers.
In this sentence, 'öğretmenlerine' emphasizes the respect and indicates the people to whom the respect is directed.
Öğretmenlerine çok saygı duyduğu için ona sıkça danışıyor.
Because he greatly respects his teachers, he often consults him.
Here, 'öğretmenlerine' again uses the dative form and shows the recipients of the gifts.