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).
psaltery (n.)youdaoicibaDictYouDict
"ancient stringed instrument," c. 1300, from Old French psalterie (12c.), from Latin psalterium "stringed instrument," from Greek psalterion "stringed instrument," from psallein "play on a stringed instrument, pull, pluck" (see psalm).