adjective/tɾjanɡuˈlaɾ/
triangular
Etymology tree Proto-Indo-European *tréyes Proto-Italic *trēs Latin trēs Proto-Indo-European *h₂eng- Proto-Indo-European *h₂engulos Proto-Italic *angulos Latin angulus Latin triangulus Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālis Latin -āris Late Latin triangulārisbor. Spanish triangular Borrowed from Late Latin triangulāris.