This is the 5822nd most frequent Turkish word.
suların
"Of the waters" or "waters'".
Here, 'sularında' implies "around the time of" regarding the morning.
Sabah sularında yürüyüşe çıktık.
We went for a walk around the morning hours.
In this sentence, 'suların' refers to "of the waters" possessing the clarity.
Suların berraklığı göz kamaştırıyordu.
The clarity of the waters was dazzling.
Here, 'suların' is a possessive form of "waters," emphasizing their flowing.