בְּסַּאסְּאָ֖ה בְּשַׁלְחָ֣הּ תְּרִיבֶ֑נָּה הָגָ֛ה בְּרוּח֥וֹ הַקָּשָׁ֖ה בְּי֥וֹם קָדִֽים׃
In full measure, when Thou sendest her away, Thou dost contend with her; He hath removed her with His rough blast in the day of the east wind.
Read kabbalistic (mystical) interpretation of Isaiah 27:8: and classical mystical sources.