1: κωφός
(Strong's #2974 — Adjective — kophos — ko-fos' )

akin to kopto, "to beat," and kopiao, "to be tired" (from a root kop---, "to cut"), signifies "blunted, dull," as of a weapon; hence, "blunted in tongue, dumb," Matthew 9:32 etc.; "in hearing, deaf," Matthew 11:5; Mark 7:32,37; 9:25; Luke 7:22 . See DUMB.