Shirabe
式年 遷宮
English jmdict
1
noun (common) (futsuumeishi) year in which an imperial memorial ceremony is held (the 3rd, 5th, 10th 20th, 50th and 100th years after death and every 100 years thereafter)
See also:
English jmdict
1
noun (common) (futsuumeishi) construction of a new shrine and transfer of the enshrined object from the old to the new, occurring at a regular, preordained time