en_tn/psa/018/009.md

He opened

The word "He" refers to Yahweh.

thick darkness was under his feet

Though Yahweh does not actually have feet, the Psalmist gives him human characteristics. AT: "thick darkness was beneath him" (See: rc://en/ta/man/translate/figs-personification)

wings of the wind

Here the Psalmist speaks of the wind as if it had wings like an angel. (See: rc://en/ta/man/translate/figs-personification and rc://en/ta/man/translate/figs-metaphor)