happy event; cause for celebration; congratulations
Polite noun used to refer to a joyous occasion or to express congratulations. Often appears in formal greetings or announcements.
See also: 慶事 (けいじ)
Congratulations on your marriage.
Happy New Year (formal congratulations).
Formal variant using 慶 (celebration), often seen in congratulatory messages.
Polite prefix お + nominalized form of 喜ぶ (to rejoice). The kanji 慶 is used in formal contexts for celebratory events.