Adjective
Of or pertaining to onomatopoeia; characterized by onomatopoeia; imitative; as, an onomatopoetic writer or word.
Source: Webster's dictionaryonomatopoeic words are imitative of noises Source: Internet
it was independently developed in more than one place as an onomatopoetic term Source: Internet
Belonging to this category are onomatopoetic words or ones borrowed from local non- Indo-Aryan languages. Source: Internet
"Didgeridoo" is considered to be an onomatopoetic word of Western invention. Source: Internet