This is the 249th most frequent Hungarian word.
különösen
"Particularly" or "especially."
In this sentence, "különösen" emphasizes the degree of beauty of the place under specific conditions (during sunrise).
Ez a hely különösen szép napkeltekor.
This place is particularly beautiful at sunrise.
Here, "különösen" highlights a specific aspect that the speaker liked, demonstrating emphasis.
Különösen szerettem, ahogyan fogalmazott.
I especially liked the way they expressed themselves.
In this usage, "különösen" specifies a feature of the weather that is emphasized as more pronounced within a given context.