suffix
[Sense: 1; Date: 1100-1200; Language: Old English;Origin: -ende]
[Sense: 2; Origin:Old English -ing, -ung]
forms the present participle of verbs
　They're dancing.
　to go dancing
　a dancing bear
[in U nouns]
the action or process of doing something
　She hates swimming.
　No parking.
[in C nouns]a) an example of doing something
　to hold a meeting
b) a product or result of doing something
　a beautiful painting
[in nouns]
something used to do something or used for making something
　a silk lining
　ten metres of curtaining (=cloth for curtains)