n 1. shade (as in light and shade; also: as in the shades in Hades); 2. shadow;
al umbra de under or in the shadow of;
umbras (del nocte) shadows (of the night);
umbra de (dubita, etc. ) shade or shadow of (doubt etc.)
n umber (1. [Mineral.]; 2. the color umber);
terra de umbra sienna