| Definition - A verb that has been turning into a noun by affixing -ing, e.g. Do you mind my thinking of you?
1. When the -ing form is used as a verb, it is called a present participle.
2. They are also called verb-nouns.
Etymology - The word derives from the Old Latin gerundum, to be carried out (from Latin gerere, to bear or carry).
Oxford English Dictionary - Its first citation is from 1513:
"There be moreouer belongyng to the infinitiue mode of verbes certayn voyces called gerundes …
whiche haue bothe the actyue and passiue significacion."
(Lilly, Introduction to Grammar (1549), Bijb)