רָב֥וּעַ יִֽהְיֶ֖ה כָּפ֑וּל זֶ֥רֶת אָרְכּ֖וֹ וְזֶ֥רֶת רָחְבּֽוֹ׃
Four-square it shall be and double: a span shall be the length thereof, and a span the breadth thereof.
Targum Jonathan on Exodus
Square shall it be, doubled; a span its length, and a span its breadth.