וּדְבִ֧יר בְּתוֹךְ־הַבַּ֛יִת מִפְּנִ֖ימָה הֵכִ֑ין לְתִתֵּ֣ן שָׁ֔ם אֶת־אֲר֖וֹן בְּרִ֥ית יְהוָֽה׃
Das heilige Gemach im Innern des Hauses [das Allerheiligste] richtete er ein, um die Bundeslade des Herrn dorthin zu setzen.
Rashi
And the Holy of Holies within the Beis Hamikdosh. The “Amoh Traksin” partition.
Rashi
To place. [It has the same meaning] as לתת.31Knowing that the Beis Hamikdosh will eventually be destroyed Shlomo “prepared ]=[הכין” for the moment by excavating under the Sanctuary a chamber that was hidden in deep and winding tunnels. The chamber was large enough to accommodate the Ark which would be hidden there right before the destruction. See II Divrei Hayomim 35:3 and Maseches Yoma 52b.