octennial การใช้

• In 1962-1966 he worked in octennial school in Plung
  as a teacher, in 1966-1976-in Plung
  's academy of music.
• For some years little was accomplished; but in 1768 the English ministry, which had special reasons at the moment for avoiding unpopularity in Ireland, allowed an octennial bill ( limiting the term of parliament to eight years ) to pass, which was the first step towards making the Irish House of Commons in some measure representative of public opinion.