This is the 1443rd most frequent Turkish word.
nisan
The Turkish word "nisan" means "April" or "engagement (marital promise)" depending on the context.
The word 'nisan' is used here as the name of the month April in Turkish.
Nisan ayında ağaçlar çiçek açar.
In April, trees bloom.
In this sentence, 'nisan' refers again to the month of April, indicating a temporal reference.
Onlar geçen nisan evlendiler.
They got married last April.
Here, 'nisan' is used as the name of the month April but is being referred to more abstractly in a reminiscing context.