Riphaean
/ˈrɪfɪən/ /ˈrʌɪfɪən/Now historical
adjective
Designating a mountain range believed to be located in the extreme north of Europe, often identified with the Urals; relating to or located in these mountains.
Origin
Mid 16th century; earliest use found in Richard Eden (c1520–1576), translator. From classical Latin Rīphaeus, variant (in Virgil and some other authors) of Rīpaeus, Rhīpaeus + -an.