noun
eighty-eighth day from the beginning of spring
A traditional Japanese seasonal marker, roughly around May 2, known as a time when frost is no longer likely and tea-picking begins.
八十八夜は、茶摘みの季節として知られている。
The eighty-eighth day from the beginning of spring is known as the tea-picking season.
From 八十八 (eighty-eight) + 夜 (night, day), referring to the 88th day after the beginning of spring (立春) in the traditional Japanese calendar.