וַיֹּ֣אמֶר יְהוֹשֻׁ֔עַ גֹּ֛לּוּ אֲבָנִ֥ים גְּדֹל֖וֹת אֶל־פִּ֣י הַמְּעָרָ֑ה וְהַפְקִ֧ידוּ עָלֶ֛יהָ אֲנָשִׁ֖ים לְשָׁמְרָֽם׃
E Yehoshua disse: "Rolem grandes pedras até a entrada da caverna, e coloquem homens para guardá-la.
Rashi
Roll. Roll large stones to the mouth of the cave.12Rashi explains that the word גָלוּ has the same meaning as גַלגְלוּ which means roll.