rē^-trīmentum — Lewis & Short
rē^-trīmentum, i, n.tero,
I the dregs, refuse, sediment of pressed olives, Varr. R. R. 1, 64;
of metals,dross, Cels. 5, 15; 5, 19, 26; of food and drink, refuse, waste (i. e. excrement, urine), Varr. ap. Non. 217, 23; Macr. S. 7, 4; 7, 15.