疾 means “disease, swift”

しつ · shitsu

Also: rapidly

Kun'yomi (Japanese reading)

はやい

On'yomi (Chinese reading)

シツ

JLPT N1 · Taught in secondary school · 10 strokes

The story

An arrow (矢) in a sickbed (疒): picture an illness that strikes as fast as a shot. 疾 is both sick and swift: 疾患 is a disease, 疾走 is running flat out, and 疾風 is a sudden gale.

Used in 疾患 (shikkan, disease), 疾走 (shissou, sprinting/dash), and 疾風 (shippuu, gale)

More from Moments & Eras

• 頻 frequent
• 暦 calendar
• 遍 everywhere
• 迅 swift
• 頃 around (a time)
• 漸 gradually
• 紀 chronicle
• 節 joint
• 既 already
• 暫 temporary
• 旬 in season
• 即 immediate

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