20 U. Cassuto (Exodus, ) cites b. Shabbat 98b which says, “What did the tabernacle resemble? A woman walking on the street with her train trailing behind her.” In the expression “the half of the curtain that remains,” the verb agrees in gender with the genitive near it.

In other versions

And the part that remains of the curtains of the tent, the half curtain that remains, shall hang over the back of the tabernacle.

As for the additional length of the tent curtains, the half curtain that is left over is to hang down at the rear of the tabernacle.

As for the flap that remains from the tent curtains, the leftover half curtain is to hang over the back of the tabernacle.

The remaining 3 feet of this tent covering will be left to hang over the back of the Tabernacle.

“And the surplus in the curtains of the tent will be an overhang; the surplus half curtain will hang over the back of the tabernacle.

And the remnant that remaineth of the curtains of the tent, the half curtain that remaineth, shall hang over the backside of the tabernacle.

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