積せき年ねん

noun

many years; long years

Refers to a long period of time that has passed or accumulated. Often used in formal or written contexts.

See also: 昔年

• 積せき年ねんの努ど力りょくが実みを結むすんだ。

  Years of effort have borne fruit.

• 積せき年ねんの夢ゆめが叶かなった。

  A long-held dream came true.

noun which may take the genitive case particle 'no'

long-standing; ancient

Used attributively with の to describe something that has persisted for many years, especially negative feelings like grudges or hatred. The gloss 'ancient' is rare and mostly literary.

• 積せき年ねんの恨うらみが爆ばく発はつした。

  Long-standing resentment erupted.

• 積せき年ねんの課か題だいにようやく取とり組くむ。

  Finally tackle a long-standing issue.