1610s, "country mansion of the ancient Romans," from Italian villa "country house, villa, farm," from Latin villa "country house, farm," related to vicus "village, group of houses," from PIE *weik-sla-, suffixed form of root *weik- (1) "clan" (cognates: Sanskrit vesah "house," vit "dwelling, house, settlement;" Avestan vis "house, village, clan;" Old Persian vitham "house, royal house;" Greek oikos "house;" Old Church Slavonic visi "village;" Gothic weihs "village;" Lithuanian viešpats "master of the house"). Of modern structures from 1711.