psalmody
noun
[ ˈsɑːmədi ]
• the singing of psalms or similar sacred canticles, especially in public worship.
• "psalmody is common to all the Churches and is acceptable in those few Churches where hymns are not"
Origin:
Middle English: via late Latin from Greek psalmōidia ‘singing to a harp’, from psalmos (see psalm) + ōidē ‘song’.
