This is the 9750th most frequent Turkish word.
arkeologlardan
"From the archaeologists" or "among the archaeologists."
In this sentence, 'arkeologlardan' is used to indicate one individual from a group of archaeologists.
Arkeologlardan biri antik bir sikke buldu.
One of the archaeologists found an ancient coin.
'Arkeologlardan' here means that the source of the information is the group of archaeologists.
Arkeologlardan öğrendiğime göre, bu kalıntı 2000 yaşındaymış.
From what I learned from the archaeologists, this artifact is 2000 years old.
Here, 'arkeologlardan' is part of a comparative structure to denote the archaeologists as the standard of comparison.