undermeal
An afternoon meal or snack.
obsolete
Another great supper, or undermeal, was made ready for them, coming home from ditching and plowing.
Where it comes from
From Middle English undermele, undermel (“the early part of the afternoon, midday, noon; an afternoon meal or nap”), from Old English undernmǣl (“morning, morning time; morning meal”), equivalent to undern + meal. Compare the word for midday and the word undern.
Adapted from the Wiktionary entry undermeal (CC BY-SA 4.0).