Semitic Etymological Database
May be related to the present root with a metaphoric shift of meaning (well attesested for this root in Hebrew) rather than borrowed from Cushitic as suggested by Leslau in EDG 204.
Reconstruction
Originally a biconsonantal element, which in WS is also attested as *dkk and *dwk. See also Akk. dâku 'to kilľ.