peritonitis
Word family adjectiveperitonealperitoniticnounperitoneoscopyperitoneumperitonitis
per·i·to·ni·tis /ˌperɪtəˈnaɪtɪs $ -tnˈaɪ-/ noun [uncountableU] technical Origin peritonitis (1700-1800) peritoneum “inside wall of the abdomen” ((16-21 centuries)) (from Late Latin, from Greek) + -itis