How to Say
How to Write
yuán
HSK 5 Radical: 氵 13 strokes
Meaning: root
💡 Think: 'YUAN = WATER (氵) + ORIGIN (原) → source/root'
Compounds

📚 Character Story & Explanation

源 (yuán) meaning in English — source

In modern Chinese, 源 appears ubiquitously in technical, academic, and policy contexts: ‘data source’ (数据源), ‘energy source’ (能源), ‘gene pool’ (基因库, often paired with 源 in conservation discourse), and official documents like the PRC’s ‘Cybersecurity Law’ which regulates information sources (信息源). A core idiom is 追本溯源 (zhuī běn sù yuán)—‘trace to the root and source’—used in journalism, historiography, and medical diagnostics to stress causal investigation.

The character’s form is well-documented: 源 evolved from the small seal script character (c. 220 BCE) showing 水 (water) + 原 (origin/plateau spring), with 原 itself combining ‘spring’ (the shape of water rising between hills) and ‘plain’ (厂 + 泉-like element). No oracle bone form survives, but bronze inscriptions from the late Zhou confirm its use for literal springs—and by the Han, for textual origins, as seen in Ban Gu’s *Book of Han*.

As an archaeologist brushing dust from a Han dynasty bamboo slip, I find 源 etched not as a philosophical abstraction—but as hydrology in ink. Its left side 氵 (three-dot water) anchors it in the physical world: rivers, springs, irrigation channels that fed China’s first agrarian states. This isn’t metaphor first—it’s water first. The right side, 原 (yuán), originally depicted a spring emerging from a plateau’s edge in early seal script—groundwater breaking surface. So 源 literally unearthed: the *place where water rises*.

Excavating further, I see how this concrete origin hardened into abstract meaning. By the Warring States period, texts like the *Zhuangzi* used 源 to denote ‘origin of ideas’ or ‘source of virtue’—a semantic shift mirroring how ancient engineers diverted rivers to nourish fields, then philosophers diverted wisdom to nourish society. The character became a cognitive aquifer: deep, unseen, but essential to every stream of thought.

What makes 源 archaeologically compelling is its stability. Unlike many characters reshaped by dynastic reforms, 源’s structure—from Qin small seal to modern standard—remains nearly unchanged. Its 13 strokes are a palimpsest of continuity: the three water dots, the ‘white’ (白) and ‘small’ (小) components inside 原, all preserved across 2,200 years. It’s a rare artifact—not just written, but *hydrologically faithful*.

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Common Compounds

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