This is the 6888th most frequent Turkish word.
buzullardan
"From the glaciers."
Here, 'buzullardan' refers to the origin of the water—literally 'from the glaciers'.
Buzullardan gelen su çok soğuktu.
The water coming from the glaciers was very cold.
In this case, 'buzullardan' indicates a point of reference—when discussing the glaciers.
Buzullardan bahsedilirken iklim değişikliği konusuna değinildi.
While talking about the glaciers, the topic of climate change was brought up.
Here, 'buzullardan' describes the origin of the piece—denoting that it separated from the glaciers.