• 幅はば — width; span
• 幅広はばひろい — broad; wide-ranging
• 全幅ぜんぷく — full width; entire
• 半幅はんはば — half width
• 横幅よこはば — horizontal width
• 幅員ふくいん — road width; carriageway width
• 振幅しんぷく — amplitude
• 増幅ぞうふく — amplification

Built on the cloth radical 巾, 幅 evokes fabric stretched from edge to edge — a natural image for “width” and “breadth.”