GRC

οὔ νυ

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LSJ

nearly like οὐ δή, strengthening the negation by an implied conclusion from the foreg., surely not, only in Ep., Od. 2.60, al. ; also to strengthen a negative question, Il. 4.242, etc.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
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