PS

*ḳarḳar- - earth as a solid surface (ground) (Fronzaroli 1968: 271, 287, 298; Kogan 2011: 189)

Akkadian
ḳaḳḳaru - earth (CAD Q 113, AHw. 900)
Hebrew
ḳarḳaˁ - floor; bottom of the sea (HALOT 1148)
Hebrew
ḳarḳārā - bottom of a vessel (Jastrow 1427)
pB.
Jewish Palestinian Aramaic
ḳrḳˁ - land (DJPA 507)
Jewish Babylonian Aramaic
ḳarḳˁā - land (DJBA 1046)
Arabic
qarqar- - earth (LA 5 100)
Soqotri
ḳárḳɛhɛr - soil (LS 387; CSOL I 591; CSOL II 516)