PS

*ˀarḫ- - cow, heifer (SED II No. 12, Fron. VI 30, DRS 32)

Akkadian
arḫu - cow (CAD A₂ 263, AHw. 67)
Ugaritic
ˀarḫ - cow, heifer (DUL 102)
one of the most ancient and widespread animal names in Semitic (SED II No.12), borrowing from Akk. arḫu ‘cow’ must be emphatically excluded (contra Watson 2007: 78).
Ammonite
ˀrḥ - young cow (HJ 107)
Official Aramaic
ˀrḫ - cow (HJ 1253)
From Papyrus Amherst 63.
Arabic
ˀirḫ- - jeune taureau (young bull) (BK 1 23)
Arabic
ˀirāḫ- - antilope (Fr. I 25, TA 7 226)
Possibly related.
Arabic
ˀirḫat- - génisse (heifer) (BK 1 24)
Cf. also ˀarḫ-, ˀurḫiyy- id. (Fr. I 25, LA III 4).
Tigrinya
ˀarḥa - bull, ram (TED 1437)
Cf. also ˁarḥa id. (ibid. 1842).
Tigrinya
ˀarḥi - heifer, goat, cow, sheep or hen which has not yet produced offspring (TED 1437)
Soqotri
áˀarḥ or arḥ - grown-up heifer (LS 74; CSOL II 392; Naumkin et al. 2015a:58)