Hendiadys

use of two words connected by a conjunction, instead of subordinating one to the other, to express a single complex idea. It sure is nice and cool today! (for "pleasantly cool") I love the Lord, because he hath heard my voice and my supplications. Psalms 116 Perfecti oratoris moderatione et sapientia. Cicero, De oratore

» Rhetorical Glossary ( Mike Green)