Arabic

nāqat- - she-camel (Lane 227)

is hardly related to *ynḳ ‘to suck’

Areal reconstruction
*nāḳ-at- - camel (SED II No. 161, Kogan 2011: 207)
one of the four widespread designations of camel in individual languages, the similarity between these designations must be due to diffusion from an Arabian source