አርባዕቱ • (ʾärbaʿtu) m (accusative አርባዕተ (ʾärbaʿtä); feminine አርባዕ (ʾärbaʿ))
From Proto-Semitic *ʼarbaʻ-. Cognates include Arabic أَرْبَعَة (ʾarbaʿa).