Writing Balance Rule: The left side (tree radical) should be slightly narrower, leaving ample space for the right component (艮) which provides the structural weight.
1. Meaning
Root of a plant or tree
Basis or foundation of somethingClassifier for long, slender objects (such as cigarettes or guitar strings)Chemical radical
Airflow Tactile Test: No burst of air (sounds like 'c' in Vietnamese 'cá' or 'k' in English 'skate').
Tongue & Mouth Position: Back of the tongue pressed against the soft palate
Final Rhyme
en
Vowel Group: -e vowel group
Sounds like: -en rhymes with 'bun'
Mouth Shape Guide: Pronounce as standalone vowel 'uhn'.
Common Learner Trap: Keep vowel quality steady across all 4 tone contours.
Tone
T1 (55)
5 → 5 (55)
1st Tone (High-Flat)
Tone Pitch & Cadence: Tone 1 is flat and high, matching the pitch of a ringing doorbell or a steady humming note.
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Listening trap: Do not confuse with 'geng' (gēng), which has a nasal ending '-ng'. Here the ending is purely dental '-n'.
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Physical Tone Gesture: A high, flat musical note held steady at the top of your vocal range, like a sustained singing pitch.
3. Writing
Topology: Left-right · Strokes: 10 strokes
Writing Balance Rule: The left side (tree radical) should be slightly narrower, leaving ample space for the right component (艮) which provides the structural weight.
4. Components
Radical木 · Wood Radical (Tree, wood)
Semantic Clue (形旁):木 (Indicates that the original meaning relates to trees and plants (plant roots).)
Phonetic Clue (声旁):艮 (original sound: gèn)
The wood radical (木) on the left combines with the phonetic part representing firmness or stopping (艮) on the right to show the firm part of a plant anchored in the earth: its root.
木 tree or wood
艮 firm / stopping sound component
Phonetic Family (形声字家族)
20· Phonetic Root: 艮 (gěn)
5. History
Liushu category: Phono-semantic (形声)
Origin: Originally formed to denote the root of a tree by combining the semantic symbol for wood/trees (木) with a phonetic and conceptual component (艮) implying stopping or anchoring.
Semantic Evolution: From literal plant roots underground, the meaning extended to the root or basis of abstract ideas, and further expanded into a classifier for long, thin objects that resemble plant stems or roots.
The component 艮 (gèn) also serves as one of the Eight Trigrams in Daoist cosmology representing mountains and stillness.
6. Sinosphere
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Sino-Vietnamese
căn
Corresponds to the Vietnamese ngang (level) tone, matching the high level pitch of Tone 1.
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Kanji (Japanese)
On: コン (kon) / Kun: ね (ne)
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Hanja (Korean)
근
Sound Shift Bridge: The historical initial 'g-' and final '-n' match closely across Sino-Xenic readings like Japanese 'kon' and Vietnamese 'căn'.
7. Memory
Vivid Mnemonic Story
Imagine a tall **WOOD** (木) tree that is held firmly in place by a **STUBBORN** (艮) anchor underground: its thick **ROOT** (gēn).
Phonetic Family (形声字家族)
跟
gēnheel / to followAdd the foot radical (足) to indicate heels or following on foot.
很
hěnveryAdd the double-person radical (彳) to form the common adverb 'very'.
恨
hènto hateAdd the vertical heart radical (忄) to show deep emotional resentment.
Lookalikes & Traps (形近字)
跟(gēn)
根 has the wood radical (木) for plant roots, whereas 跟 has the foot radical (足) for heels and following.
很(hěn)
根 uses wood (木); 很 uses the stepping person radical (彳).
8. Mastery
Active Recall Challenge
我们要找出问题的[___]源。
Clue: gēn
Common Learner Pitfall
Confusing 根 (gēn - root) with 跟 (gēn - heel/to follow) due to identical pronunciation and tone, missing the radical difference.
Memory Prompts
Recognition: When you see the character 根 paired with 木 and 艮, what does it mean and how is it pronounced?
Production: How do you write the Chinese character for plant roots or a basis, pronounced gēn with Tone 1?
Real-World Video Context
Watch authentic native speakers pronounce and explain this word in real-world YouTube videos.
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根gēnroot
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