This is the 7846th most frequent Turkish word.
kayıhan
"Kayıhan" does not have a widely recognized meaning in Turkish; it may be a proper name.
Here, 'Kayıhan' is used as a proper noun, referring to a person's name.
Kayıhan, bugün okulda çok başarılıydı.
Kayıhan was very successful at school today.
In this sentence, 'kayıhan' functions as a descriptive term, referring to stars that are moving quickly.
Bu bizden hızla kayıhan yıldızların olduğu geceydi.
This was the night when stars sliding away quickly from us were present.
Here, 'kayıhan' metaphorically describes the state of a mind losing focus or clarity.