noun-modifying (irregular)
octennial; recurring every eight years
Used as a prenominal modifier (adj-f) in formal or statistical contexts, such as government plans or reports. Describes events, plans, or periods that span or repeat every eight years.
We have entered the final year of the eight-year plan.
We report the results of this octennial survey.
Commonly used in official documents and statistics. The カ is a counter marker.
Variant with small ヶ, also common.
Kana variant of the counter marker.
Using Arabic numeral 8.
Formal kanji 箇, rarely used in modern writing.
Variant with katakana ヵ, less common.
Variant with katakana ケ, rare.
Arabic numeral with small ヶ.
Arabic numeral with katakana ヵ.
Arabic numeral with kana か.
Arabic numeral with katakana ケ.
Compound of 八 (eight) + カ年 (counter for years). The カ is a counter marker derived from 箇, and 年 means 'year'. The form is used in formal or bureaucratic contexts.