This is the 654th most frequent Serbian word.
средњих
The Serbian word "средњих" means "middle" or "central" (genitive plural form).
Used as a genitive plural adjective describing a subset within a group, meaning 'middle.'
Моја школа је у средњих пет градова по величини у земљи.
My school is in the middle five cities by size in the country.
As a descriptive genitive plural adjective specifying 'secondary' related to 'schools.'
Ова књига је намењена за ученике средњих школа.
This book is intended for high school students.
Here it functions as a part of a time reference, meaning 'middle' to describe a historical period.