Dys meaning

Abnormal.

Dysplasia.

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Bad.

Dyslogistic.

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Impaired.

Dysgraphia.

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Difficult.

Dysphonia.

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Bad, ill, abnormal, impaired, difficult, etc.

Dysfunction.

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Origin of dys

Gr, bad, hard, unlucky < IE base *dus-, bad, ill > Goth tuz-, OHG zur- (Ger zer-), Sans duṣ-