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Hepatitis

/ˌhɛpəˈtaɪtɪs/noun

Inflammation of the liver, usually caused by a virus, alcohol or a drug reaction.

The Greek roots

ἧπαρ
hêpar
liver
+
-ῖτις
-îtis
inflammation of

Literally: liver inflammation

The story of the word

The stem is the genitive ἥπατος, which is why the word is hepat- and not hepar-. The -itis ending was originally an adjective agreeing with νόσος, disease, so hepatitis is elliptically liver disease with the noun dropped, and every arthritis and bronchitis since follows that ghost agreement. The alphabet came late: the B virus was identified through Baruch Blumberg's Australia antigen in 1965, and C only in 1989.

How it travelled
Ancient Greek → scientific coinage → English

The same roots elsewhere

Other languages reached for exactly the same Greek pieces.

Same family

hepaticheparinhepatocyte

In a sentence

He was vaccinated against hepatitis B before the posting.

Built on the same root

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