This is the 6388th most frequent Russian word.
церковных
"Церковных" means "church-related" or "of the church."
'Церковных' describes the domain or characteristic related to churches.
Он изучал церковных архитектуру и искусство.
He studied church architecture and art.
'Церковных' modifies 'праздников', indicating festive days associated with the church.
Во время церковных праздников улицы города украшены.
During church holidays, the city streets are decorated.
'Церковных' describes the type of relics, those pertaining to the church.