The Etymology of Psalm
A 'psalm' is, at its root, the sound of a plucked string.βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ Greek 'psallein' meant to pull or pluck β originally a bowstring, later a harp string β and 'psalmos' was the song that accompanied the plucking. The word entered Latin as 'psalmus' when the Hebrew scriptures were translated into Greek, and the Book of Psalms (Psalmoi) became the standard hymnal of early Christianity. English adopted it before the Norman Conquest, making it one of the oldest Greek-derived words in the language. The silent 'p' is a spelling fossil: ancient Greeks pronounced the 'ps-' cluster, but as the word passed through Latin and French, speakers dropped the opening consonant while scribes faithfully preserved it.