Aidan Grey wrote:

>   Has anyone ever created a word, or modified it,
> because of what it should sound like
> onomatopoietically? An example from Aelya:
>   Q. quoro- 'choke' should become por, according to
> the rules, but instead became chor, because the velar
> ch /x/ sounds more like a choking sound.

I haven't thought much about historical change, but Tokana does
have a largish number of onomatopoetic words.  Some of my

  hektuta   hiccough
  houn      owl
  ksiama    sneeze
  psyta     spit out
  tatasot   babble, nonsense (lit. "ta-ta words")