Josh 3:5

3:5 Consecrate yourselves. “Consecrate” means “to make holy” (5:15 note), and probably refers to physical actions like washing that symbolize the holiness of the people. There was a similar requirement when God came down to the people at Mount Sinai (Ex. 19:10, 14, 15).

wonders. The same word is used of the plagues in Egypt (Ex. 3:20; Judg. 6:13; Ps. 78:11; Mic. 7:15) and the conquest of Canaan (Ex. 34:10; 1 Chr. 16:9–24; cf. Jer. 21:2).