NET
20 (That also is considered to be a land of the Rephaites. The Rephaites lived there originally; the Ammonites call them Zamzummites.
Darby
20 (That also is reckoned a land of giants: giants dwelt therein in time past, and the Ammonites call them Zamzummim;
KJV
20 (That also was accounted a land of giants: giants dwelt therein in old time; and the Ammonites call them Zamzummims;