הָפַ֣כְתָּ מִסְפְּדִי֮ לְמָח֪וֹל לִ֥י פִּתַּ֥חְתָּ שַׂקִּ֑י וַֽתְּאַזְּרֵ֥נִי שִׂמְחָֽה׃
你把我的哀哭變為跳舞，脫去我的麻衣，給我束上喜樂。
Rashi
You loosened Heb. פתחת, alachas in Old French, to release, like (Gen. 24:32): “and he untied (ויפתח) the camels.” Our Sages, however, explained the entire psalm as referring to Mordecai, Esther, and Haman, in Pesikta Zuta.
Rashi
and I said in my tranquility Haman said this. To You, O Lord, I would call Esther said this etc. until “be my helper.” You turned my lament into dancing for me Mordecai and all Israel said this.