-phonous

Adapted borrowing of Ancient Greek -φωνος (-phōnos) +‎ -ous.^[1] By surface analysis, -phone +‎ -ous.

-phonous

1. Of the sound, voice, or speech sound of the specified type.

   Synonym: -phonic

   • 1832, “The Westminster Review”, in The Harmonicon, part I ([…]), London: […] Longman, Rees, Orme, Brown, Green, and Longman, […], →OCLC, page 241, column 2:

     What the writer says on the subject of accent, as it may be marked on that uniphonous instrument the drum, illustrates what had been written on the subject a century ago, by Malcolm; […]

   • 1857, R[obert] G[ray] Mayne, An Expository Lexicon of the Terms, Ancient and Modern, in Medical and General Science; […], London: John Churchill, […], published 1860, →OCLC, page 698, column 1:

     Micrŏphōnus, a, um. (Μικρός, small; φωνή, the voice.) Med., Physiol. Having a slender weak voice: micropho′nous.

   • 1860, [Johann Heinrich] Kurtz, translated by J[ohn] H[enry] A[ugustus] Bomberger, “Administration of Public Worship”, in History of the Christian Church to the Reformation. […], Edinburgh: T[homas] & T[homas] Clark, […], →OCLC, page 232:

     Notwithstanding the increasing attempts of the clergy to exclude the people from participating in the services of the Church, the laity continued for a long time the practice of hypophonous chants, which consisted of responses to the intonation, the reading, and the prayere of the clergy, and of the so-called Acroteleutia, or responses to the psalms sung by the clergy.