An Etymological Dictionary of the German Language/berüchtigt

by Friedrich Kluge

berüchtigt, ‘infamous, notorious,’ a partic. adj. from a weak vb. used even by Luther — berüchtigen, ‘to defame,’ for. which berüchten was the common form in the 16th and 17th cents. Comp. Gerücht, as well as anrüchig and ruchbar; all these words are cognate with rufen, and are derived, as is shown by the ch for f before t, from LG.