Early 16th century; earliest use found in The Grete Herball. From post-classical Latin adianthos, adiantos, adiantus, variants of classical Latin adiantum. Compare French adianthe.
Definition of adianthus in US English:
adianthus
nounˌadɪˈanθəs
US rare
A fern of the genus Adiantum; a maidenhair fern.
Origin
Early 16th century; earliest use found in The Grete Herball. From post-classical Latin adianthos, adiantos, adiantus, variants of classical Latin adiantum. Compare French adianthe.