This is the 734th most frequent Armenian word.
n
The Armenian letter "ն" (n) is the 22nd letter of the Armenian alphabet and represents the "n" sound.
The word 'nա' (n) in 'լեռներին' indicates the dative plural form, showing the direction or focus of attention toward the mountains.
Ես նայում եմ լեռներին։
I am looking at the mountains.
Here, 'զբոսնելու' includes 'n' within the infinitive structure, indicating the action's purpose (going to walk).
Նա գնաց զբոսնելու։
He went to walk.
In 'Տան' (tan), the suffix 'n' signifies possessiveness and indicates belonging (of the house).