ថ្ងៃសីល

holy day (the 8th and 15th days of the waxing moon and 8th and 15th days of the waning moon; usually days of abstinence and religious observance)

Noun (Buddhism) holy day; uposatha day (the 8th and 15th days of the waxing moon and 8th and 15th days of the waning moon; usually days of abstinence and religious observance)