单词verbal noun
un.: 〔语〕动名词
网络: 动词性名词；名词化的动名词；动状名词
〔语〕动名词
Verbal: noun or adjective that is derived from a verb and retains certain characteristics of a verb, but functions as a noun or adjective.
非谓语动词：是来源于动词的名词或形容词，保留了动词的某些特征，但起着名词或形容词的作用。
Grammatically the gerund is verbal noun, there fore its root should be a verb, as in walking, eating, running and so on.
从语法角度说，动名词是动词性名词，因此，它的词根应该是动词，就像walking，eating，running等等。
Analysis of Several Verbal-noun Sentence Patterns in Chinese
试析汉语中的几种名物化句式