年ねんに一いち度ど

expression, noun, adverb

once a year

A fixed expression meaning 'once per year'. Used both as a noun and adverbially.

• このイベントは年ねんに一いち度ど開かい催さいされます。

  This event is held once a year.

• 年ねんに一いち度どの健けん康こう診しん断だんを受うける。

  I get an annual health checkup.