So as Joshua led his people into the promised land, one can see the symbolism- Joshua the son of Nun, which standeth before thee, he shall go in thither: encourage him: for he shall cause Israel to inherit it. Deuteronomy 1:38
2 elements of the name Joshua
1) The first element is
, which is the commonly accepted abbreviated form of 
, which is YHWH, the Name of the Lord.2) The interesting word group that starts with the familiar Hebrew verb
(yasha), meaning to be saved or delivered. The feminine noun 
(yeshua) means salvation. The masuline noun (yesha) means salvation...
And they answered Joshua, saying, All that thou commandest us we will do, and whithersoever thou sendest us, we will go. Joshua 1:16