From an unused root meaning to break forth; rushing; Perath (that is, Euphrates), a river of the East
KJV Usage: Euphrates.
Brown-Driver-Briggs' Hebrew Definitions
Euphrates = "fruitfulness" 1. the largest and longest river of western Asia; rises from two chief sources in the Armenian mountains and flows into the Persian Gulf
Origin: from an unused root meaning to break forth
Parts of Speech: Proper Name Masculine