דְּבִיר dᵉbîyr (H1687)

the shrine or innermost part of the sanctuary

1) the holy of holies, the innermost room of the temple or tabernacle 1a) hindmost chamber, innermost room of the temple of Solomon, most holy place, holy of holies 2) (TWOT) oracle

or (shortened) דְּבִר; from דָבַר (H1696) (apparently in the sense of oracle);