Apushatayid: I wrote “spoiled food ht tastes horrible”
If you even tried truly spoiled food, you wold know what bad tasting food is. -you might also have become sick-now the question arose how far os food have to taste bad to be called inedible? and the chachomim said “achilas kelev”. tha i our bench mark,BTW- leather is not food but in times of extreme need leather was eaten.