Pretty sure it's onomatopoeia (words that come from what something sounds like, e.g oink, meow, hiss). They're different in different languages. In French, there's Aïe, Ouïlle, (ouch!) Atchoum (sneeze), Plouf (splash). You probably know some in Russian, maybe some Ukranian as well.
Written by Bob Koure
Retired software architect, statistical analyst, hotel mgr, bike racer, distance swimmer. Photographer. Amateur historian. Avid reader. Home cook. Never-FBer