וְרָא֤וּ גוֹיִם֙ צִדְקֵ֔ךְ וְכָל־מְלָכִ֖ים כְּבוֹדֵ֑ךְ וְקֹ֤רָא לָךְ֙ שֵׁ֣ם חָדָ֔שׁ אֲשֶׁ֛ר פִּ֥י יְהוָ֖ה יִקֳּבֶֽנּוּ׃
And the nations shall see thy triumph, And all kings thy glory; And thou shalt be called by a new name, Which the mouth of the LORD shall mark out.
Read kabbalistic (mystical) interpretation of Isaiah 62:2: and classical mystical sources.