deest

from the Latin deesse meaning absent; placed after a catalogue abbreviation to indicate that this particular work does not appear in it.[2] The plural,desunt is used when referring to several works.
Found on http://en.wikipedia.org/wiki/Glossary_of_musical_terminology

deest

from the Latin deesse meaning absent; placed after a catalogue abbreviation to indicate that this particular work does not appear in it. The plural is desunt and used when referring to several works.
Found on http://www.encyclo.co.uk/local/22287

deest

from the Latin deesse meaning absent; placed after a catalogue abbreviation to indicate that this particular work does not appear in it. The plural is desunt and used when referring to several works.
Found on http://www.translationdirectory.com/glossaries/glossary307.php
No exact match found