prohibition against women entering a sacred area
Refers to a traditional Buddhist or Shinto restriction barring women from certain holy sites, often marked by a boundary stone or gate.
Because of the prohibition against women, women could not enter that mountain.
A stone monument marking the prohibition against women still remains.
結界 is a general term for a sacred boundary or barrier, while 女人結界 specifically refers to the exclusion of women.
Compound of 女人 (woman) and 結界 (sacred boundary). The exact historical origin of the practice is uncertain, but it is associated with certain Buddhist and Shinto traditions.