摩 means “rub, scrape, wear”

ま · ma

Also: chafe, polish, grind

Kun'yomi (Japanese reading)
まする, さする, する
On'yomi (Chinese reading)
マ

JLPT N1 · Taught in secondary school · 15 strokes

The story

A hand (手) under hemp (麻): picture palms rubbing raw hemp stalks until they soften into fiber. 摩 is rubbing and wearing away: 摩擦 is friction, 摩耗 wear, as on tires, and 摩天楼, a tower scraping heaven, is a skyscraper.

Used in 摩擦 (masatsu, friction), 摩耗 (mamou, wear), and 摩天楼 (matenrou, skyscraper)

More from Grip, Rub & Twist

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.