This is the 9591st most frequent Turkish word.
alınmasından
"Alınmasından": "From its being taken" or "from the act of taking."
The word 'alınmasından' is used to denote 'from the taking/action of taking' and is formed as the ablative form of the verbal noun.
Bu kararın alınmasından sonra işler daha da düzenli hale geldi.
After the decision was taken, things became more orderly.
Here, 'alınmasından' means 'from the acquisition/taking', and it shows the context or background event.
Kitapların alınmasından önce bize bilgi verilmedi.
We were not informed before the books were taken.
In this sentence, 'alınmasından' indicates the cause related to 'from the taking' of the action.