Easton's Bible Dictionary (1897)
Having obtained mercy, a symbolical name given to the daughter of Hosea (2:1).
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
RU'HAMAH (compassionated, having obtained mercy), a symbolical name applied by Hosea. Hos 2:1.
Hitchcock's Bible Names (1869)
having obtained mercy