English
gnawproof
From gnaw + -proof.
Formed from gnaw + -proof
Proto-Germanic *gnaganą ‘to gnaw’
Proto-West Germanic *gnagan ‘to gnaw’
Old English gnagan ‘to gnaw’
Middle English gnawen ‘to gnaw’
English gnaw
Today it means
adj Resistant to being gnawed.
Language periods are conventional ranges, not dates for this word.
Etymograph / gnawproof