Semitic *√ĠRB “to enter, set (sun)”appears in
Akkadian
- erēbu
/ 
“enter” - erābu “sunset”
Ugaritic
- ˁaraba 𐎓𐎗𐎁enter
- ˁarb 𐎓𐎗𐎁sunset
Hebrew
- ˁereḇ עֶרֶב nightfall
- maˁărāḇ מַעֲרָב West
Arabic
- ġarb غَرْب West, setting sun
- maġrib مَغْرِب West, Morocco>Maghreb