The word Dharma(Religion) is made my Sanskrit word Dhru.
It means principle which assume nourish and preserve.
"Dharnaat Dharmamityahu" mean which assume that Dharma
(Religion) , Dharma assume the people.
thats why everything is assumed and nourished by Dharma(Religion).
"Dharme Satyam Pratishthitam" - Dharma(Religion) is superior in people and Dharma contains Truth.
If we polite Dharma; Dharma polite us; and if we preserve our Dharma our Dharma preserves us.