sup.

sup.

abbr.
1. superior
2. superlative
3. supine
4.
a. supplement
b. supplementary
5. Latin supra (above)
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

sup.

abbreviation for
1. above
2. superior
3. (Grammar) grammar superlative
[from Latin supra]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in classic literature ?
And a doe leaped up, and a doe leaped up From the pond in the wood where the wild deer sup. This I, scouting alone, beheld, Once, twice and again!
"That is only the affair of a moment, then we shall sup."
On the road the cousin proposed they should go up to the hermitage to drink a sup. The instant Sancho heard this he steered his Dapple towards it, and Don Quixote and the cousin did the same; but it seems Sancho's bad luck so ordered it that the hermit was not at home, for so a sub-hermit they found in the hermitage told them.