ingredient
/ɪnˈgriːdjənt/noun
1- any of the foods or substances that are combined to make a particular dish（菜肴的）配料, 原料。
1.1
- a component part or element of something成分, 因素：
the affair contains all the ingredients of an insoluble mystery.
这一事件具备不解之谜的所有因素。
词源
late Middle English: from Latin ingredient- 'entering', from the verb ingredi, from in- 'into' + gradi 'walk'.