Morpheme
-ing
Type
suffix
Denotation
present participle suffix
Etymology
Middle English -ing, -inge, -ynge, earlier -inde, -ende, -and; Old English -ende, -ing, -ung
Evidence
barking, eating, everlastingness, flying, making, panicking, partying, picnicking, reading, singing, sitting, skiing, speaking, taking, trying, unwillingness, writing