noun
several weeks; a few weeks
Refers to a period of roughly two to several weeks. The exact number is vague and context-dependent.
数週間前に引っ越しました。
I moved a few weeks ago.
このプロジェクトは数週間かかるでしょう。
This project will probably take several weeks.
Compound of 数 (several) + 週間 (weeks).