Writing Balance Rule: The left side (tree radical) should be narrower and slightly shorter, leaving ample breathing room for the right phonetic component 隹 so the character does not feel top-heavy or lopsided.
1. Meaning
vertebra
spinebackbonehammer (archaic or regional)
NounFormal / TechnicalBound morpheme#anatomy#medical#body parts
Sample Usage
脊椎
jǐzhuī
spine / backbone
颈椎
jǐngzhuī
cervical vertebra
2. Sound
/[tʂu̯eɪ̯⁵⁵]/Tone: 55
椎
zhuīzhui1
|
++
¯(55)
=zhuī
Build the syllable
Step-by-step blending
zhui
Tone mark placement: Tone mark sits on "i" per the side-by-side rule (in -iu/-ui the mark takes the second vowel).
Initial Consonant
zh
Type: Unaspirated Retroflex
Sounds like: j/dr retroflex sound
UnaspiratedRetroflex
Airflow Tactile Test: No burst of air. Tongue curled up. Tissue stays still.
Tongue & Mouth Position: Tongue tip curled back near hard palate
Final Rhyme
ui
Vowel Group: -i vowel group
Sounds like: -ui rhymes with way
Mouth Shape Guide: Pronounce as standalone vowel 'way'.
Common Learner Trap: Keep vowel quality steady across all 4 tone contours.
Abbreviated Rhyme Rule: ui is short for uei
Tone
T1 (55)
5 → 5 (55)
1st Tone (High-Flat)
Tone Pitch & Cadence: Tone 1 is a high, level pitch (55) similar to sustaining a high note when calling out or saying 'ah' in surprise.
👂
Listening trap: Confusing the retroflex initial 'zh' with the alveolar affricate 'j' or retroflex 'ch'. Ensure 'zh' is unaspirated.
👋
Physical Tone Gesture: A high, flat-line gesture held steadily at the top of your vocal range, like a pitch sung firmly on one high note.
3. Writing
Topology: Left-right · Strokes: 12 strokes
Writing Balance Rule: The left side (tree radical) should be narrower and slightly shorter, leaving ample breathing room for the right phonetic component 隹 so the character does not feel top-heavy or lopsided.
Semantic Clue (形旁):木 (Indicates that ancient mallets or wooden structures were made of wood.)
Phonetic Clue (声旁):隹 (original sound: zhuī)
The character combines the Wood radical (木) on the left with the short-tailed bird symbol / phonetic (隹) on the right, originally representing a wooden mallet or pounding tool, which later extended to mean the bony segments of the spine stacked like blocks.
木 Wood / tree semantic clue
隹 Short-tailed bird / phonetic cue providing the 'zhuī' sound
Phonetic Family (形声字家族)
27· Phonetic Root: 隹 (zhuī)
5. History
Liushu category: Phono-semantic (形声)
Origin: Originally written to depict a wooden mallet or club (made of 木 wood, sounded by 隹), it later shifted to mean vertebrae due to phonetic borrowing and anatomical similarities in stacking.
Semantic Evolution: From an ancient wooden hammer or club to spinal bones (vertebrae) stacked like building blocks.
In classical texts, 椎 often referred to a heavy club or mallet before specializing into anatomical terminology.
6. Sinosphere
🇻🇳
Sino-Vietnamese
chùy
The Mandarin Tone 1 high level corresponds closely to high level register in Sino-Vietnamese borrowings.
🇯🇵
Kanji (Japanese)
On: スイ (sui) / Kun: つち (tsuchi)
🇰🇷
Hanja (Korean)
추
Sound Shift Bridge: Mandarin zh- frequently corresponds to initial ch- or ts- in cognate loan systems across East Asian languages.
7. Memory
Vivid Mnemonic Story
Imagine a doctor examining a wooden (木) model of a spine, where each vertebra is stacked neatly like little perched birds (隹) making up your backbone.
Phonetic Family (形声字家族)
隹
zhuīshort-tailed birdPhonetic Core (声旁)
准
zhǔnto allow, to grant, in accordance with, standard+ 冫 (ice)