Proto-Germanic: *knagan-, *gnagan-, *gnagōn- vb.
Meaning: gnaw
Old Norse: gnaga (gnagaδi; gnaginn) `nagen'
Norwegian: gnaga vb.
Swedish: gnaga vb.
Danish: gnave vb.
Old English: gnagan
English: gnaw
Old Saxon: knagan (11.Jh.), gnagan
Middle Dutch: cnāghen st./wk.
Dutch: knagen
Middle Low German: gnāgen, knāgen
Old High German: gnagan (9.Jh.), { knagan }, nagan (11.Jh.), binagan (9.Jh.) st.
Middle High German: nagen st. 'nagen, bezernagen, abnagen'
German: nagen
