verb / noun
burble
BUR-bul/ˈbɜːrbl/
A soft bubbling or murmuring sound.
The stream burbles softly over the shallow stones.

Etymology
The word imitates bubbling or gushing sounds rather than combining identifiable roots. Its speech sense applies that sound image to rambling talk.
More examples
- A cheerful burble came from the baby in the stroller.
- He burbled on about his holiday without noticing the time.
- We heard the gentle burble of water in the fountain.
Forms
burble · burbles · burbled · burbling
Similar words
- gurgle
- Often suggests a deeper throaty or liquid sound.