Mathach (H4969) is a hapax legomenon (appearing only once in the OT) meaning to spread out or stretch out. Used in Isaiah 40:22, it describes God spreading out the heavens like a curtain — one of the most majestic creation images in all of Scripture.
Isaiah 40:22 places mathach at the center of one of the Bible's great doxologies of divine sovereignty: 'It is he who sits above the circle of the earth... who stretches out the heavens like a curtain and spreads them like a tent to dwell in.' The word pictures God as a cosmic craftsman unrolling the canopy of heaven. This same passage immediately challenges idolatry and declares the incomparability of God. The stars he names, the nations are as dust, and yet He stretches out the heavens like fabric. Whenever we feel overwhelmed by circumstance, this image recalibrates: the One who spreads the cosmos is in control.