וַתִּשְׁקֹ֥ט הָאָ֖רֶץ אַרְבָּעִ֣ים שָׁנָ֑ה וַיָּ֖מָת עָתְנִיאֵ֥ל בֶּן־קְנַֽז׃ (פ)
Et le pays fut en paix pendant quarante ans. Et Othoniel, fils de Kenaz, mourut.
Metzudat David on Judges
AND IT WAS QUIET: By this, the land was quiet and rested from war until the end of the forty years from the time of the beginning of the slavery as its written in Seder Olam