Etymograph > Indo-European > Old English > Dictionary > dumb

ADJ

DUMB, speechless, mute

Source: Ringe 2014:29, https://bosworthtoller.com/8102
originates from: PGmc *dumbaz "mute, dumb" (dumbaz > dumba > dumb) through pgmc-to-oe
(source: Ringe 2014:29)