PS

*ruγw-at- - foam; saliva; excretion (SED I No. 229; Kogan 2011: 226)

Akkadian
ruˀtu - spittle, slaver, saliva, phlegm, mucus; sap (CAD R 435, AHw. 997)
Hebrew
rəˁī, rēˁī - secretion, excrements (Jastrow 1487)

< *riˁ-Vy-

Jewish Palestinian Aramaic
rˁy - excrement (DJPA 527)
Syriac
ruˁtā - foam (LSyr. 722, SL 1452)
Arabic
raγwat-, ruγwat- - froth of milk (BK 1 891; Lane 1115)