knurre

Etymology
Onomatopoeia.

Verb

 * 1) growl
 * 2) rumble
 * 3) grumble

Etymology
Onomatopoeia

Verb

 * 1) to growl, snarl
 * 2) to complain, grumble

Etymology
Onomatopoeia

Verb

 * 1) to growl, snarl
 * 2) to complain, grumble