What is the X in X-mas?
1819, "to sound as metal when struck," possibly abstracted from ding-dong, of imitative origin. The meaning "to deal heavy blows" is c.1300, probably from Old Norse dengja "to hammer," perhaps also imitative. Meaning "dent" is 1960s. Related: Dinged; dinging.
Homeless: in the ding camp at San Josenoun
type of ancient Chinese cooking or holding vessel, usually with two handles on the rim, that is supported by three or four columnar legs.