Englishdebris
noun
the irrigation channels were blocked with debris:
detritus, refuse, waste, waste matter, discarded matter, litter, scrap, dross, chaff, flotsam and jetsam, lumber, rubble, wreckage, spoilage;
remains, remnants, fragments, scraps, dregs, offscourings, odds and ends;
slag;
British rubbish;
North American trash, garbage;
Australian, New Zealand mullock;
informal dreck, junk;
British, informal grot, gash, odds and sods, gubbins;
vulgar slang shit, crap;
Archaeology debitage;
rare draff, raffle, raff, cultch, orts.