psallo

Etymology
Borrowed from.

Verb

 * 1) to make a bowstring twang to send forth an arrow
 * 2) to pluck a string with the fingers
 * 3) to play, or sing to, a named instrument (such as the cithara or other instrument)
 * 4) to sing or play a tune
 * 5) to sing the psalms

Usage notes

 * Used transitively in Medieval Latin in the meaning "to sing (a psalm)".