cold-water ablutions in winter
A traditional ascetic practice, often associated with Shinto or Buddhist purification rituals, where one bathes in or pours cold water over oneself during winter.
Kangori is a type of water purification practice performed during the cold winter season.
Compound of 寒 (kan, 'cold') and 垢離 (gori, 'purification by water'). The exact historical origin is uncertain, but it is a traditional Japanese ascetic practice.