PS

*ˀurḫ- - road (Kogan 2015:392)

Particularly prominent in Aramaic.

Akkadian
urḫu - road (CAD U–W 218, AHw. 1429)
Hebrew
ˀōraḥ - way, path (HALOT 86)

The word is a relatively rare and almost exclusively poetic term.

Samalian
ˀrḥ - road (DNWSI 106)
Old Aramaic
ˀrḥ - road, way (DNWSI 106)
Biblical Aramaic
ˀŏraḥ - way, road (HALOT 1824)
Jewish Palestinian Aramaic
ˀorḥā - way, path, road (DJPA 42)
Syriac
ˀurḥā - road (LSyr. 47, SL 21)
Qaraqosh
ˀurxa - way, road (Khan 2002: 727)
Sabaic
ˀrḫ - affair, matter, undertaking (SD 7)
Minaean
ˀrḫ - affaire, chose (affair, thing) (LM 7)
Qatabanian
ˀrḫ - orders, instructions; affair, matter (LIQ 15)
Soqotri
éraḥ - 1. to come, to reach; 2. to be able (LS 74; CSOL I 476; CSOL II 392–393; Naumkin et al. 2015a:58)

The verb éraḥ is fully synonymous with gédaḥto come’, but the latter is more common. The only difference between them is the government: éraḥ is used with direct object, while gédaḥ is used with the preposition di-.