The Niiname-sai Festival, in which an emperor devotes the Shinkoku (the first crop of the year) to the God and also eats it himself, was called 'Yearly daijo' in ancient times.
その年の新穀を天皇が神に捧げ、天皇自らも食す新嘗祭のことを、古くは「毎年の大嘗」と称した。