An Etymological Dictionary of the German Language/Annotated/bidmen

by Friedrich Kluge

bidmen, weak verb, an Upper German word equivalent in meaning to beben, ‘to tremble, shake,’ and allied to it; Middle High German bidemen, ‘to tremble,’ Old High German *bidimôn, must represent *bibimôn, bibinôn; respecting the relation of the consonants compare Old High German pfëdamo and its variant pëbano under Pfebe. The Old High German bibinôn is an intensive form of Old High German bibên. See beben.