Nosos
conceptThe Greek concept of disease as moral and spiritual corruption, not merely physical illness.
The Myth
When plague struck Athens in 430 BC, Thucydides described it with clinical precision — the symptoms, the mortality rate, the social breakdown. But the Greeks' deeper understanding of nosos went beyond the physical. Disease was pollution. When Oedipus rules Thebes unknowingly as a parricide and husband of his mother, plague strikes the city. The nosos is not coincidence — the king's moral corruption has infected the land itself. Sophocles makes the connection explicit: the plague will lift only when the pollution is expelled. This was not unique to tragedy. Greek cities performed regular purification rituals to prevent nosos from accumulating. Scapegoat rituals — the pharmakos — drove disease out by driving out a human surrogate. The Hippocratic writers fought against this framework. The author of On the Sacred Disease argued that epilepsy had natural, not divine causes. But even Hippocratic medicine retained the vocabulary of pollution and purification. Treatment meant restoring balance — removing excess, purging corruption. The tension between nosos as physical malfunction and nosos as moral contamination was never fully resolved in Greek thought, and arguably persists today.
Parents
Greek medical and religious tradition
Symbols
Fun Fact
Hospital-acquired infections are still called "nosocomial" — from nosos and komein (to care for), preserving the Greek disease vocabulary in modern medicine.
Words We Inherited
English words and phrases that trace back to this myth:
Explore Further
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Oedipus
heroThe tragic king of Thebes who unknowingly killed his father and married his mother, fulfilling a...
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placeThebes was the great city of Boeotia, founded by Cadmus who sowed dragon teeth, and the setting for...
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