رُوم (Arabic) comes from Middle Persian 𐭧𐭫𐭥𐭬, from Ancient Greek Ῥωμανία, from Ancient Greek -ῐ́ᾱ, from Proto-Indo-European -íh₂, from Proto-Indo-European -h₂ — Creates collective nouns, which refer to groups...
رُوم (Arabic): Byzantines