九きゅうカ年ねん

noun-modifying (irregular)

nine-year; novennial; recurring every nine years

Used attributively before nouns like 計画 (plan) or 事業 (project) to indicate a span or recurrence of nine years. Formal, often found in official documents and statistics.

• 九きゅうカ年ねん計けい画かくの最さい終しゅう年ねん度どです。

  This is the final year of the nine-year plan.

• この調ちょう査さは九きゅうカ年ねんにわたって行おこなわれた。

  This survey was conducted over a period of nine years.