ဥပုသ် (Burmese) comes from Pali uposatha, from Sanskrit उपवसथ, from Sanskrit उप-, from Proto-Indo-Aryan upa-, from Proto-Indo-Iranian upa-, from Proto-Indo-European upo — under, up from under; up from under, over; up,...
ဥပုသ် (Burmese): uposatha, the Buddhist sabbaths