PS

*ḳV(n)ḳVn- - kind of worm, insect (SED II No. 132)

Akkadian
ḳūḳānu - an insect, a disease (CAD Q 312; AHw. 928)
var. gūḳānu, gūḳḳānu. As an animal name attested in lex. list only.
Jewish Babylonian Aramaic
ḳūḳānā - parasitic worm (DJBA 1001)
Thought to be Akkadism in AHw. 928 and DJBA 1001, which cannot be excluded.
Arabic
qawqan- - a snail (Dozy 1927, T. II)
Geez
ḳʷənḳʷəne - woodworm, moth (CDG 435, LLA 443)
Tigre
ḳənḳən - wood-fretter, weevil (WTS 252)
Tigre
ḳunḳun - winged insect that eats grain (WTS 252)
Amharic
č̣əč̣č̣an - kind of small ant (AED 2241)
Harari
ḳəñḳiñ - kind of small ant (EDH 127)
Endegen
ḳənḳān - worm that eats wood (EDG 488)