This is the 1345th most frequent Japanese word.
にわたり
"にわたり" means "over a span of" or "throughout."
The word 'にわたり' is used to express the duration or span over which an action or state occurs.
このプロジェクトは4年間にわたり続けられました。
This project has continued over a span of four years.
The word 'にわたり' indicates the scope or extent covered by an action.
彼は調査にわたり各地を訪れました。
He visited various places across the span of his investigation.
Here, 'にわたり' reflects the timeframe during which activities take place.