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Herpes

/ˈhɜːpiːz/noun

A viral infection producing blisters on skin or mucous membrane.

The Greek roots

ἕρπης
hérpēs
a creeping eruption

Literally: the creeping thing

Follow a root:ἕρπης1 word

The story of the word

From herpein, to creep. Greek physicians applied it to any rash that spread outward across the skin, with no notion of a virus or of what caused it; the name records only how the lesion behaved. The same root, through Latin serpere, gives serpent, and through zoology gives herpetology, the study of things that crawl.

How it travelled
Ancient Greek → Latin → English
First recorded
14th century

Same family

herpetologyserpentherpetic

In a sentence

Cold sores are caused by a herpes virus that most adults already carry.

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