This is the 13198th most frequent Turkish word.
kavuşmuştu
"He/she/it had reunited" or "had attained."
In this sentence, 'kavuşmuştu' indicates a past event of reuniting, emphasizing a state that has been achieved.
Uzun bir ayrılıktan sonra anne ve baba çocuklarına kavuşmuştu.
After a long separation, the parents had reunited with their child.
Here, 'kavuşmuştu' refers to a completed action in the past of meeting old friends again.
Tatilden döndüğünde eski arkadaşlarına kavuşmuştu.
When he returned from vacation, he had reunited with his old friends.
In this context, 'kavuşmuştu' signifies attaining an intangible state, such as peace, that happened in the past.