onomatopoeia

The formation or use of words such as buzz or murmur that imitate the sounds associated with the objects or actions they refer to.

A word formed in imitation of the sound of the thing it signifies; an imitative word. See the extract.

The property of a word of sounding like what it represents.

A word that sounds like what it represents, such as "gurgle" or "hiss".

The use of language whose sound imitates that which it names.