This is the 10000th most frequent Turkish word.
aşığı
"Beloved" or "lover."
Aşığı is used to denote someone who has a strong passion or love for something, in this case, books.
Kitap aşığı bir öğrenciyim.
I am a student who is passionate about books.
Aşığı is used to represent someone who loves or is committed to the referenced subject (symbolically or literally), here 'house'.
Evin aşığı çatıda duruyor.
The lover of the house stands on the roof.
Aşığı expresses deep affection or admiration for nature, the subject in the context of the sentence.