Psalm 83:18 New English Translation

¹⁸Then they will know^[a] that you alone are the Lord,^[b]
the Most High^[c] over all the earth.

Psalm 83:18 tn After the preceding jussives (v. 17), the prefixed verbal form with prefixed vav (ו) indicates purpose (“so that they may know”) or result.
Psalm 83:18 tn Heb “that you, your name [is] the Lord, you alone.”
Psalm 83:18 sn The divine title “Most High” (עֶלְיוֹן ʿelyon) pictures God as the exalted ruler of the universe who vindicates the innocent and judges the wicked. See especially Pss 7:17; 9:2; 18:13; 21:7; 47:2.

New English Translation (NET)