The Hebrew word od (עוֹד) is a common adverb meaning still, yet, again, or besides. It appears over 480 times and carries the sense of something that continues, persists, or returns. It can also function as a noun meaning continuance or duration.
Od is theologically significant in prophetic contexts where God declares that something will still happen despite present devastation. "Yet will I praise Him" (Psalm 42:5) — this od is the grammar of faith: the stubborn refusal to let present circumstances define the final word. The prophets deploy od to announce that God is not finished with His story.