offal
/ˈɒfəl/noun
mass noun
1- the entrails and internal organs of an animal used as food（动物）内脏, 下水。
1.1
- refuse or waste material垃圾。
1.2
- decomposing animal flesh（动物）腐肉。
词源
late Middle English （in the sense 'refuse from a process'）： probably suggested by Middle Dutch afval, from af 'off' + vallen 'to fall'.