Reumah (רְאוּמָה) means "coral" or "lofty" in Hebrew. In Genesis 22:24, Reumah was the concubine of **Nahor, Abraham's brother** — mother of Tebah, Gaham, Tahash, and Maacah, ancestors of Aramean tribes.
Among the most obscure women named in Genesis.
Reumah reduces to five — the number of biblical concubine.