from Wiktionary, Creative Commons Attribution/Share-Alike License.
Sorry, no etymologies found.
The term “hard of hearing” may refer to a person whose hearing impairment is less severe, as measured by a hearing test, but also has a sociological meaning, referring to the person with an audiological impairment who functions within a speech environment more easily, through hearing aids and speechreading.
Grant KW (2001) The effect of speechreading on masked detection thresholds for filtered speech.
Thisafter, swift’s mightmace deposing, he shall aidress to His Serenemost by a speechreading from his miniated vellum, alfi byrni gamman dealter etcera zezera eacla treacla youghta kaptor lomdom noo, who meaningwhile that illuminatured one, Papyroy of Pepinregn, my Sire, great, big King,