köken: Etymology tree Proto-Indo-European *weyh₁-? Proto-Indo-European *wiHrós Proto-Italic *wiros Late Latin vir Proto-Indo-European *-tuHts Late Latin -tūs Late Latin virtūs Proto-Indo-European *h₃ed- Proto-Indo-European *-os Proto-Indo-European *h₃édosder.? Proto-Italic *-ōtsos or *-otsos Late Latin -ōsus Late Latin virtuōsusbor. Italian virtuosobor. French virtuosebor. Polish wirtuoz…