This is the 344th most frequent Lithuanian word.
kadangi
"Kadangi" means "because" or "since" in English.
In this sentence, 'kadangi' is used to explain the purpose for their trip to the city.
Važiavome į miestą, kadangi mums reikėjo apsipirkti.
We went to the city since we needed to shop.
The word 'kadangi' is showing the cause for the speaker's liking of the book.
Ši knyga man patinka, kadangi ji apie įdomią temą.
I like this book because it is about an interesting topic.
The word 'kadangi' here introduces a causal reason explaining why the speaker is grateful.