úc-chiṣṭa mfn. left, rejected, stale
spit out of the mouth (as remnants of food), [TS.]; [ChUp.]; [ŚBr.]; [MBh.]; [Yājñ.] &c.
one who has still the remains of food in the mouth or hands, one who has not washed his hands and mouth and therefore is considered impure, impure, [Gaut.]; [Mn.]
úc-chiṣṭa n. that which is spit out
leavings, fragments, remainder (especially of a sacrifice or of food), [AV.]; [ŚBr.]; [KātyŚr.]; [Mn.]; [ĀśvGṛ.] &c.