adjective
interregional
Etymology tree Proto-Indo-European *h₁én Proto-Indo-European *h₁entér Proto-Italic *n̥ter Latin inter Latin inter-lbor. Spanish inter- Proto-Indo-European *h₃reǵ- Proto-Indo-European *-eti Proto-Indo-European *h₃réǵeti Proto-Italic *regō Latin regō Proto-Indo-European *-ōder. Proto-Indo-European *-Hōder.? Latin -ō Latin -iō Latin regiō Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālis Latin regiōnālisbor. Spanish regional Spanish interregional From inter- + regional.