arti-natural
/ˌɑːtɪˈnatʃ(ə)rəl/rare. Now historical
adjective
Of or relating to the artificial imitation of nature, especially in landscape gardening.
Origin
Early 18th century; earliest use found in Batty Langley (c1696–1751), writer on architecture. From classical Latin arti-, alternative stem of ars art + natural.