תהילים סח:טו פירוש: רש״י

When... spreads out Heb. בפרש, an expression of (Deut. 22:17): “and they will spread out (ופרשו) the garment”; they clarify the matter as a new garment.

kings These are the Torah scholars, as it is said (Prov. 8:15): “Kings reign with me.”