conc▪ onomatopoetic, imitating several types of sound: the rumbling of a stomach, roaring laughter, (obsol.) murmuring water, etc.; cf. also the 2-cons. ↗¹karra ‘to rattle in the throat’ and the obsol. †karkara ‘to call (hens)’.
▪ Prob. related to the notion of ‘returning’, ‘repetition’ inherent in this type of sounds; if valid, ²karkara may be related to ¹karkara ‘to repeat, reiterate, do repeatedly’, itself based on ↗KRː (KRR).
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