Syriac

medrā - clod of earth, soil, mud, dust (LSyr. 375, SL 717)

PWS
*mVdVr-/*mVdr- - earth, soil (Fronzaroli 1969: 5, 24; Kogan 2011: 189; Kogan 2015: 445)
in EthS completely ousted PS *ˀarŝ-̣ ‘earth,’ which left virtually no trace