a long time
Joshua 11:23
And Joshua taketh the whole of the land, according to all that Jehovah hath spoken unto Moses, and Joshua giveth it for an inheritance to Israel according to their divisions, by their tribes; and the land hath rest from war.
Joshua 14:7-10
7
a son of forty years [am] I in Moses, servant of Jehovah, sending me from Kadesh-Barnea, to spy the land, and I bring him back word as with my heart;
8
and my brethren who have gone up with me have caused the heart of the people to melt, and I have been fully after Jehovah my God;
9
and Moses sweareth in that day, saying, If not -- the land on which thy foot hath trodden, to thee it is for inheritance, and to thy sons -- to the age, for thou hast been fully after Jehovah my God.
10
'And, now, lo, Jehovah hath kept me alive, as He hath spoken, these forty and five years, since Jehovah spake this word unto Moses, when Israel went in the wilderness; and now, lo, I [am] to-day a son of five and eighty years;