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Peritonitis

/ˌpɛrɪtəˈnaɪtɪs/noun

Inflammation of the membrane lining the abdominal cavity, usually from a perforated organ or infection.

The Greek roots

περί
perí
around
+
τείνειν
teínein
to stretch
+
-ῖτις
-îtis
inflammation of

Literally: inflammation of the stretched-around membrane

The story of the word

περιτόναιον is a precise piece of anatomical description: the thing stretched around the viscera. Greek anatomists could see and name the membrane centuries before anyone understood why breaching it was so often fatal. A ruptured appendix causes it, which is why abdominal pain that suddenly eases and then worsens is the sign surgeons dread.

How it travelled
Ancient Greek → Latin → English
First recorded
18th century

Same family

peritoneumperimetertetanustone

In a sentence

By the time he reached theatre the peritonitis was established.

Built on the same root

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