Tosefta for I Kings 6:5

וַיִּבֶן֩ עַל־קִ֨יר הַבַּ֤יִת יצוע [יָצִ֙יעַ֙] סָבִ֔יב אֶת־קִיר֤וֹת הַבַּ֙יִת֙ סָבִ֔יב לַֽהֵיכָ֖ל וְלַדְּבִ֑יר וַיַּ֥עַשׂ צְלָע֖וֹת סָבִֽיב׃

And against the wall of the house he built a side-structure round about, against the walls of the house round about, both of the temple and of the sanctuary; and he made side-chambers round about;