幾いく久ひさしく

adverb

forever; eternally; for a long time to come

Formal, somewhat old-fashioned adverb used mainly in written correspondence or ceremonial greetings to express a wish for enduring happiness, prosperity, or relationship. Not used in everyday conversation.

• 末すえ永ながく幾いく久ひさしくお幸しあわせに。

  May you be happy forever and ever.

• 幾いく久ひさしくご繁はん栄えいを祈き念ねんいたします。

  I pray for your eternal prosperity.