Used to form nouns or noun-like words (or elements of noun phrases) from verbs, denoting the act of doing something, an action, or the embodiment of an action. · Used to form nouns denoting materials or systems of objects which are used or employed in an action, or considered collectively.
演变路径（由近及远）
英语
继承自 ←中古英语
词源说明
Inherited from Middle English [Term?]. By surface analysis, drink + -ing.