DumbBosworth & Toller 盎格鲁-撒克逊古英语词典 - dumb根据古英语词典：dumbAdd :-- Sum þegn wearð fǽrlíce dumb, Hml. S. 22, 73. Dumbre swígan mutae taciturnitatis, An. Ox. 1936. Spǽcleáse l dume elinguia, Germ. 398, 72. dumb