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Old English gnagan (inherited)
←
Middle English gnawen (inherited)
←
Middle English gnaȝen (mention)
←
Proto-Indo-European *gʰnēgʰ- (derived)
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Norwegian Bokmål gnage (cognate)
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Norwegian Nynorsk gnaga (cognate)
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Swedish gnaga (cognate)
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Norwegian Nynorsk gnaga (cognate)