Origin: 1585–95; < Latin topiārius pertaining to landscape-gardening or to ornamental gardens, equivalent to topi(a) (plural) artificial landscape (< Greek tópia (singular topion), diminutive of tópos place) + -ārius-ary
1592, from L. topiarius "of or pertaining to ornamental gardening," from topia "ornamental gardening," from Gk. topia, pl. of topion, originally "a field," dim. of topos "place." The noun is first recorded 1908, from the adj.