English → French
observance /BrE əbˈzəːv(ə)ns 
, AmE əbˈzərvəns /
noun
1 (of law, rule, right, code) respect m (of de); (of sabbath, religious festival) observance f (of de); (of anniversary) célébration f (of de)
2 (religious rite, ceremony) observance f
religious observances observances religieuses