This is the 574th most frequent Armenian word.
միրզոյանը
"Միրզոյանը" (Mirzoyan) is an Armenian surname.
Here, 'Միրզոյանը' is used as a proper noun (a surname) to refer to a specific individual.
Միրզոյանը մեր դպրոցի լավագույն ուսուցիչն է։
Mirzoyan is the best teacher at our school.
In this sentence, 'Միրզոյանի' is the possessive form of the proper noun 'Mirzոյան,' denoting something that belongs to or is related to the individual named Mirzoyan.
Մենք լսեցինք Միրզոյանի հետաքրքիր պատմությունը։
We listened to Mirzoyan's interesting story.
Here, 'Միրզոյանը' is again used as a proper noun to identify the individual who performed the action in the sentence.