prandiculum

Etymology
From. The ending could be either the neuter diminutive suffix or the "instrumental" noun suffix. Either formation is unusual: the expected diminutive form from prandium is, and the instrumental noun suffix typically attaches to a verbal rather than a nominal base.

Noun

 * 1) breakfast

Usage notes
Not attested in usage in antiquity, but mentioned in a passage by the grammarian Sextus Pompeius Festus as an antiquated term for the meal called in Classical Latin.