rice gruel served at ten-night memorial services
Buddhist term; specifically the rice porridge offered during 十夜 (じゅうや) memorial services held at temples.
See also: 十夜 (じゅうや)
Jūyagayu is served to worshippers at the Jūya memorial service.
Compound of 十夜 (じゅうや, 'ten nights', referring to the Buddhist memorial service) and 粥 (かゆ, 'rice gruel').