a figure of speech in which two nouns joined by and are used instead of a noun and a modifier (Ex.: deceit and words for deceitful words)
Origin of hendiadysMedieval Latin from Classical Greek phrase hen dia dyoin, one (thing) by means of two
A figure of speech in which two words connected by a conjunction are used to express a single notion that would normally be expressed by an adjective and a substantive, such as grace and favor instead of gracious favor.
Origin of hendiadysLate Latin from Greek hen dia duoin one by means of two hen neuter of heis one ; see sem-1 in Indo-European roots. dia through duoin genitive of duo two ; see dwo- in Indo-European roots.
Medieval Latin, from Ancient Greek ἑv (hen), stem of ἑις (heis, “one”) + διά (dia, “through”) + δυοίν (dyoin, “two”)