疾
Character Story & Explanation
In daily Chinese, 疾 most commonly appears in formal, literary, or medical contexts — rarely in casual speech alone. It’s central to idioms like 积劳成疾 (jī láo chéng jí, 'chronic overwork leads to illness') and 疾恶如仇 (jí è rú chóu, 'to hate evil as one hates an enemy'), both documented in Ming-Qing literature and still taught in HSK 6 curricula. Historically, it appears in Tang dynasty medical manuscripts and Song legal codes referring to epidemic control measures.
The character’s origin is well-documented: 疒 is a simplified pictograph of a person lying sick (甲骨文 variant shows a figure beside a bed), and 矢 was added as a phonetic component during the Zhou dynasty bronze script phase — not a pictorial arrow, but a standardized sound marker. No oracle-bone glyph for 疾 survives, confirming its later standardization.
As a linguistic detective, I begin at the crime scene: the oracle bone and bronze inscriptions. Though 疾 doesn’t appear in earliest oracle bones, its form crystallizes by the Warring States period — unmistakably built on the ‘sickness’ radical 疒 (nè), which itself evolved from a pictograph of a person lying ill under a roof. The right side, 矢 (shǐ, 'arrow'), isn’t about weaponry but phonetic borrowing: it signals pronunciation (jí) while subtly reinforcing urgency — arrows fly fast, like sudden illness.
Zooming in on the seal script (221–206 BCE), 疾 gains structural clarity: the 疒 radical wraps the upper-left corner like a sickbed canopy, while 矢 occupies the lower-right — compact, balanced, and already standardized. This isn’t metaphorical; ancient medical texts like the *Huangdi Neijing* (c. 3rd century BCE) use 疾 specifically for acute, manifest illnesses — distinct from 病 (bìng), which denotes chronic or deeper conditions. The character’s design reflects that clinical precision.
By the Han dynasty, 疾 had fully entered bureaucratic and literary lexicon — appearing in edicts, memorials, and poetry to denote both physical affliction and moral/social ‘ills’. Its semantic range expanded organically: from bodily disease to swift movement (as in 疾驰, ‘to gallop’) — not a contradiction, but a shared root in *intensity* and *lack of restraint*. This duality — suffering and speed — makes 疾 uniquely expressive in classical and modern usage alike.
Example Sentences
Common Compounds
Similar Characters — Don't Mix These Up
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