postprandial (adj.) Look up postprandial at Dictionary.com
also post-prandial, 1820, from post- "after" + Latin prandium "luncheon" (usually bread, fish, or cold meat, taken around noon), from *pram "early" (from PIE *pre-, variant of root *per- (1) "forward," hence "in front of, before, first") + edere "to eat" (see edible) + -al (1).