But you don't know it
Onomatopoia would translate from Greek as “creating names”. The definition in English is
he naming of a thing or action by a vocal imitation of the sound associated with it (such as buzz, hiss)
onomatopoeia by Meriam – Webster
So naming something by their sound like cuckoo or bees is onomatopoeia.
We said that translates “creating names” because of the word onoma (όνομα means name) and poeia (-ποεία means creation) from the verb ποιώ (poio means create).
Dive into the essence of semantics, the branch of linguistics focused on the study of meaning in language, illuminating how communication works.
Discover ‘acronym’, derived from Greek ‘akros’ and ‘onym’, signifying a word formed from initial letters of other words.
Greek word Όνομα (Ónoma) means name or fame. The letter a or an before a word means the lack of the word. So Ανώνυμος (ánonymos) means someone with no name or fameI am not sure the Anonumous Group mean no fame but surely they meant lack of a name.