שָׁ֤ם אַצְמִ֣יחַ קֶ֣רֶן לְדָוִ֑ד עָרַ֥כְתִּי נֵ֝֗ר לִמְשִׁיחִֽי׃
There will I make a horn to shoot up unto David, There have I ordered a lamp for Mine anointed.
Read kabbalistic (mystical) interpretation of Psalms 132:17: and classical mystical sources.