Stroke Order
Meaning: Quercus dentata
词组 · Compounds

📚 Character Story & Explanation

榡 (sù)

The character 榡 has no oracle bone or bronze script attestation — it’s a relatively late creation, likely emerging during the Han or Tang dynasties as botany became systematized. Its structure tells the tale: left side is 木 (mù, 'tree'), the universal radical for woody plants; right side is 夙 (sù), a phonetic component meaning 'early' or 'long-standing' — not for semantics, but for sound. Visually, it’s elegant minimalism: 木 + 夙 = a tree whose name must be spoken with that crisp, falling sù tone. No extra strokes were added over centuries — unlike many characters, 榡 stabilized early because it served a narrow, scientific niche.

Its meaning never wavered: always the dentate oak, prized in ancient China for durable timber, edible tannin-rich acorns (used in famine foods and ink-making), and symbolic longevity. The Shuō Wén Jiě Zì (121 CE) doesn’t list it — proof it wasn’t yet lexicalized — but by the Bencao Gangmu (1596), Li Shizhen cites 榡实 for treating dysentery. Interestingly, the character’s visual stillness — no flowing water, no fire, no human action — mirrors the tree’s cultural role: steadfast, unassuming, ecologically vital but linguistically quiet.

Let’s be honest: 榡 (sù) is a botanical ghost — it exists in dictionaries and botanical texts but rarely in daily conversation. It names one specific tree: Quercus dentata, the Japanese emperor oak, known in Chinese as 榡树 (sù shù). Its core feeling isn’t abstract or philosophical like many common characters — it’s precise, taxonomic, and quietly rooted in classical natural history. You won’t hear it in markets or dramas, but you might see it on a forest conservation sign in Shaanxi or in an old herbal compendium describing acorn-based remedies.

Grammatically, 榡 functions strictly as a noun modifier — always paired with 树 (shù, 'tree') to form 榡树, or occasionally with other nouns like 榡实 (sù shí, 'acorns of this species'). It never stands alone in speech or writing; using just 榡 sounds like saying 'oak' without 'tree' in English — incomplete and oddly technical. Learners sometimes mistakenly treat it like a verb or adjective ('to oak-ify something?'), but no — it’s a fossilized botanical label, frozen in compound usage.

Culturally, its rarity is the point: it reflects how Chinese lexicography preserves ecological specificity even when vernacular usage fades. A common mistake? Confusing it with 速 (sù, 'quick') — same sound, wildly different worlds. Also, watch your tone: sù (fourth tone) ≠ xù (fourth tone, 'to raise') or sū (first tone, 'to soothe'). Pronounce it like 'soo' in 'soon', but sharp and falling — imagine dropping an acorn onto stone.

💬 Example Sentences

Common Compounds

💡 Memory Tip

Picture a SLOW (sù) oak tree — so ancient and solid it’s become a SUITCASE (sù) full of acorns: 木 + 夙 = 榡!

Similar Characters — Don't Mix These Up

Related words

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