永なが年ねん間かん

noun

long period of time; many years

Refers to a span of many years; often used in contexts like 'for many years' or 'over a long period'.

• 彼かれは永なが年ねん間かん、この会かい社しゃで働はたらいてきた。

  He has worked at this company for many years.

• 永なが年ねん間かんの努ど力りょくが実みを結むすんだ。

  Years of effort have borne fruit.