Customs and etiquette in Japanese dining
Japanese dining etiquette is a set of traditional perceptions governing specific expectations which outlines general standards of how one should behave and respond in various dining situations. == Overview == In Japan, it is customary to say itadakimasu (頂きます/戴きます/いただきます); literally "I humbly receive") before starting to eat a meal.
Source: Wikipedia — Customs and etiquette in Japanese dining (CC BY-SA 4.0)