English/Spanish Cognate of the Day February 13, 2015 / Tom English vertiginous adj. 1. Causing dizziness 2. inclined to change frequently/quickly 3.revolving Spanish vertiginoso Etymology Vertiginous derives from Latin vertigo , “a turning round, a whirling round; giddiness,” from vertere , “toturn. Share this:TwitterFacebookLike this:Like Loading...