This is the 9586th most frequent Turkish word.
alınca
"Alınca" means "when taken" or "upon taking" in English.
In this sentence, 'alınca' is used as a temporal clause indicating 'when something is obtained or received.' It relates to the action of getting a book and describes the time at which the happiness occurs.
Yeni bir kitap alınca çok mutlu oluyorum.
When I get a new book, I feel very happy.
Here, 'yağınca' arises from the verb 'yağmur yağmak' (to rain), forming a temporal clause to indicate 'when it rains.' It shows the occurrence of slipperiness as a result of the rain.
Yağmur yağınca yollar çok kaygan oluyor.
When it rains, the roads become very slippery.
In this sentence, 'alınca' from the verb 'almak' (to take, to receive) denotes 'when money is received.' It poses a conditional behavior of refraining from spending money following its acquisition.