Dissing is a verb. It's the present participle of diss.
Henry Dissing died in 2009.
Henry Dissing was born in 1931.
Janus Dissing Rathke was born on July 25, 1991, in Denmark.
Karen Dissing Melega was born on March 12, 1937, in Denmark.
Karen Dissing Melega died on July 21, 1988, in Denmark.
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.