The name Pedahzur means “strong or powerful savior; stone of redemption”.
Easton's Bible Dictionary 1897
Rock of redemption, the father of Gamaliel and prince of Manasseh at the time of the Exodus (Num. 1:10; 2:20).
International Standard Bible Encyclopedia 1915
pe-da'zur (pedhahtsur): Mentioned in Nu 1:10; 2:20; 7:54,59; 10:23 as the father of Gamaliel, head of the tribe of Manasseh, at the time of the exodus. See The Expository Times, VIII, 555 ff.