This is the 6955th most frequent Turkish word.
cezayirli
A person or thing from Algeria.
Here, 'cezayirli' is used as a nationality-marker to mean 'Algerian', describing someone's origin.
Cezayirli bir arkadaşım var.
I have a friend from Algeria.
In this sentence, 'cezayirli' is used as an adjective to attribute the quality of being Algerian to the coffee.
Cezayirli kahve çok lezzetliydi.
The Algerian coffee was very delicious.
This usage demonstrates 'cezayirli' as a predicate in a clause referring to someone's nationality.