This is the 781st most frequent Turkish word.
alması
The Turkish word "alması" means "its taking" or "the act of taking it."
In this sentence, 'alması' is used as a gerundial form meaning 'his/her/your buying', indicating necessity.
Senin marketten ekmek alması gerekiyor.
You need to buy bread from the store.
Here, 'alması' shows an action that has been performed or is being considered as a noun, i.e., 'winning'.
Onun yarışmayı kazanması hepimizi çok mutlu etti.
Her winning the competition made all of us very happy.
In this sentence, 'alması' is a nominalized verb form used to describe the difficulty level of an action.