From the Turkish “komple” – “complete” and the Old Eenglish “gibber” – generally thought to be an onomatopoeia imitative of speech, similar to the words jabber (to talk rapidly) and gibber (to speak inarticulately).
A polyonom created on 27th May 2024. A web search indicated that this combination of letters has not been previously documented on the web. 100% polyonomicity asserted.