PWS

*da/ir(r)-at- - breast, udder (SED I No. 58)

Arabic
dirrat- - pis, mamelle (dug, udder) (Belot Arb.–Fr. 193)
Tigrinya
därät - chest (TED 2085)
Probably, related to milking of being Arb. loan-words (for a wide circulation of this Arb. borrowing, cf. E. Cush.: Somali darar ‘avere più latte’ [Som.-It. 135]).
Amharic
därät - chest, breast (AED 1750)
Argobba
därät - chest (Leslau 1997:199, AAD 405)
Muher
därät - chest (EDG. 222)
Masqan
därät - chest (EDG 222)
Gogot
därät - chest (EDG 222)
Soddo
därät - chest (EDG 222)
Jibbali
edrer - to get a lot of milk at one milking (JL 40)