Definition of Ritsu in US English:

Ritsu

(also Risshu)

noun

Buddhism
historical
  • An early school of Buddhism, typically concerned with the study of monastic discipline and ordination rites.

Origin

Early 18th century; earliest use found in John Scheuchzer (1702–1729), physician and naturalist. From Japanese ritsu and the fuller form Risshū from a Middle Chinese compound used to translate Sanskrit vinaya.

Pronunciation

Ritsu

/ˈrɪtsuː/