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Prognosis

/prɒɡˈnoʊsɪs/noun

A forecast of how a disease will run.

The Greek roots

πρό
pró
before, in advance
+
γνῶσις
gnôsis
knowing, knowledge

Literally: foreknowledge

The story of the word

One of the Hippocratic treatises is called Prognostikon, and its argument is practical: a physician who can tell the patient what will happen next earns the trust to treat him. Diagnosis names what is wrong now, prognosis says what comes after. Both share the root of gnosis, which also gave the Gnostics their name.

How it travelled
Ancient Greek → Latin → English
First recorded
17th century

The same roots elsewhere

Other languages reached for exactly the same Greek pieces.

Same family

diagnosisgnosticagnosticphysiognomy

In a sentence

The surgery went well and her prognosis is good.

He asked for the prognosis in plain numbers, not adjectives.

Built on the same root

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