PWS

*rVmḥ- - spear (Kogan 2015: 96)

Ugr. mrḥ ‘spear’ is usually thought to represent this term (with metathesis)

Hebrew
rōmaḥ - lance, spear (HALOT 1243)
Syriac
rumḥā - lance, spear (LSyr. 734, SL 1450)
Arabic
rumḥ- - spear, lance (Lane 1153)
Sabaic
rmḥ - lance (?) (SD 117)
Geez
ramḥ/rəmḥ - spear (CDG 470)
Mehri
rəmḥāt/rəmēḥ - spear, wand (ML 327)
Jibbali
rəmḥát - wand, arrow (JL 213)