evin kapısı
English: the door of the house
The 'tamlanan eki' is a suffix in Turkish used in noun compounds to show possession or relationship between two nouns. It is added to the second noun in the compound.
Use the 'tamlanan eki' when you want to combine two nouns to show a relationship, usually possession or belonging. For example, to say 'the door of the house' or 'the color of the car', you use this suffix on the second noun.
evin kapısı
English: the door of the house
arabanın rengi
English: the color of the car
çocuğun oyuncağı
English: the child's toy
kedinin maması
English: the cat's food
okulun bahçesi
English: the school's garden