Rebus Na Str 35 Po Russkomu Avtor A V Poliakova Za 4 Klass -

Note the unstressed vowels "о" in the first two syllables ( г-о-р-и-з-о-н-т ). These are "dictionary" vowels that must be memorized as they cannot be checked by stress.

РАБОЧАЯ ПРОГРАММА учебного предмета «Русский язык rebus na str 35 po russkomu avtor a v poliakova za 4 klass

It is a masculine noun, second declension, used in the singular. Note the unstressed vowels "о" in the first