PWS

*nāb-, *nīb- - canine tooth (SED I No. 203; Kogan 2011: 223)

PS
*nayab- - canine tooth (SED I No. 203)
Level?

Hebrew
nīb ŝəpātayim - upper lip (Jastrow 902)
pB. Lit. ‘n. of the lips’; likely related, with a plausible meaning shift.
Jewish Palestinian Aramaic
nyb - sharp tooth (DJPA 349)
Jewish Babylonian Aramaic
nībā - tusks, canine teeth; the sinews connecting the hipbone with its socket (Jastrow 902, DJBA 746b)
Syriac
nībā - maxillary tooth (LSyr. 427)
Also nābā.
Arabic
nāb- - canine teeth (BK 2 1375, Lane 2870)
Tigre
nib - tooth; canine tooth; milk-teeth; incisors (of grown up people) (WTS 337)
An Arabism, according to Leslau 1990 150. See, however, difference in vocalism.