וַיָּ֥מָד קִֽיר־הַבַּ֖יִת שֵׁ֣שׁ אַמּ֑וֹת וְרֹ֣חַב הַצֵּלָע֩ אַרְבַּ֨ע אַמּ֜וֹת סָבִ֧יב ׀ סָבִ֛יב לַבַּ֖יִת סָבִֽיב׃
At sinukat niya ang pader ng Bahay, anim na siko; at ang lapad ng bawat silid sa tagiliran, apat na siko, sa palibot ng Bahay sa lahat ng panig.
Rashi
and the width of the cell [Heb. הַצֵלָע,] apendiz in Old French. The interior of the cell behind it was four amos in measurement, and in the Second Temple it was six (amos). And perforce this Temple is the one of the future, because there was no wall separating the Holy of Holies in the Second Temple.