Arabic

naǯd- - udder (BK 2 1201)

Cf. also naǯūd- ‘who has a long neck (camel, donkey, etc.)’ and minǯad- ‘adornment of the woman’s neck, necklace ... going down to the bottom of the breast’ [BK 2 1201-1202]. 

PCS
*nagd- - bosom, breast (SED I No. 195)

Problematic; scarce attestation in Arb. and Eth. only.