psalter (n.)youdaoicibaDictYouDict
"the Book of Psalms," Old English saltere, psaltere, from Church Latin psalterium "the songs of David," in secular Latin, "stringed instrument played by twanging," from Greek psalterion "stringed instrument, psaltery, harp," from psallein "to pluck, play on a stringed instrument" (see psalm).
twang (n.)youdaoicibaDictYouDict
1550s, of imitative origin. Originally the sound of plucked bows and strings; extension to "a nasal vocal sound" is first recorded 1660s. The verb is first attested 1540s. Related: Twanged; twanging.