New Revised Standard Version
So Midian was subdued before the Israelites, and they lifted up their heads no more. So the land had rest forty years in the days of Gideon.

New American Bible
Midian was brought into subjection by the Israelites; they no longer held their heads high, and the land had rest for forty years, during the lifetime of Gideon.

Douay-Rheims Bible
But Madian was humbled before the children of Israel, neither could they any more lift up their heads: but the land rested for forty years, while Gedeon presided.

But Madian was humbled before the children of Israel, neither could they any more lift up their heads: but the land rested for forty years, while Gedeon presided.

was Midian

Psalm 83:9-12 Do to them as thou didst to Madian and to Sisara: as to Jabin at the brook of Cisson. . . .

Isaiah 9:4 For the yoke of their burden, and the rod of their shoulder, and the sceptre of their oppressor thou hast overcome, as in the day of Madian.

Isaiah 10:26 And the Lord of hosts shall raise up a scourge against him, according to the slaughter of Madian in the rock of Oreb, and his rod over the sea, and he shall lift it up in the way of Egypt.

forty years

Judges 3:11,30 And the land rested forty years, and Othoniel, the son of Cenez, died. . . .

Judges 5:31 So let all thy enemies perish, O Lord: but let them that love thee shine, as the sun shineth in his rising. [32] And the land rested for forty years.