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gnos

knowledge; to know

Greek · gnosis, gignoskein (γνῶσις, γιγνώσκω)

Gnos and gno come from Greek gnosis, "knowledge", and gignoskein, "to know". They appear in words about knowing, recognising, and judging from signs.

Memory trick

DIAGNOSE = know through signs; PROGNOSIS = know ahead what is coming.

Words from this root