People descended from Repha(?), first mentioned at Gen.14.5 Another name of re.pha.im (רְפָאִים "Rephaim" H7497B) § Zamzummims = "plotters" the Ammonite name for the people who by others were called Rephaim, and were described as a numerous nation of giants; perhaps the same as 'Zuzim'
STRONG'S WORD STUDY
H2157 — זַמְזֻמִּים
zam.zom · Zamzummin · Hebrew/Aramaic