宙 (zhòu) - Meaning, Stroke Order & Audio

宙

zhòu[zhou4]Tone 4

universe, eternity

HSK 7

Guru Deep Dive

English · universe, eternity

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Topology:Full enclosure

Strokes:8

Writing Balance Rule: The top roof component (宀) must be wide and shelter the lower component (由) snugly inside without touching the bottom edges.

1. Meaning

universe, space and time

eternityeon (geology)

NounFormal / LiteraryBound morpheme#cosmos#time#philosophy

Sample Usage

宇宙
yǔzhòu
universe, cosmos
宙合
zhòuhé
heaven and earth, the universe

2. Sound

/[t͡ʂou̯˥˩]/Tone: 51

宙

zhòuzhou4

`(51)

=zhòu

Build the syllable

Step-by-step blending

zhou

Tone mark placement: Tone mark sits on "o" per main-vowel priority (a > e > o; in -iu/-ui the mark takes the second vowel).

Initial Consonant

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

Vowel Group: -o vowel group

Sounds like: ou rhymes with oh

Mouth Shape Guide: Pronounce as standalone vowel 'oh'.

Common Learner Trap: Keep vowel quality steady across all 4 tone contours.

Tone

T4 (51)

5 → 1 (51)

4th Tone (High-Falling)

Tone Pitch & Cadence: Tone 4 starts high and drops sharply to the bottom, like a stern command or a sharp 'No!'

👂

Listening trap: Confusing the retroflex initial 'zh' with the alveolar dental 'z'. Ensure the tongue is curled back.

👋

Physical Tone Gesture: A sharp, authoritative nod downward, representing a falling slope from the highest pitch to the lowest.

3. Writing

Topology: Full enclosure · Strokes: 8 strokes

Writing Balance Rule: The top roof component (宀) must be wide and shelter the lower component (由) snugly inside without touching the bottom edges.

4. Components

Radical 宀 · Roof Radical (roof, shelter, building)

Semantic Clue (形旁): 宀 (denotes a covered structure or encompassing space)

Phonetic Clue (声旁): 由 (original sound: yóu)

A roof (宀) covering an origin point or field (由), creating an encompassing space of the entire cosmos.

宀 roof or canopy
由 cause, reason, or center

Phonetic Family (形声字家族)

17· Phonetic Root: 由 (yóu)

5. History

Liushu category: Phono-semantic (形声)

Origin: Originally combined the roof sign (宀) representing space/house and (由) providing the sound and the concept of an axis or source.

Semantic Evolution: Shifted from a covered space to the vast boundless canopy of the cosmos, eventually representing time (eternity) paired with space (宇).

Combined with 宇 (yǔ, space), it forms 宇宙 (yǔzhòu), literally meaning 'space and time' or the universe.

6. Sinosphere

🇯🇵

Kanji (Japanese)

On: チュウ

🇰🇷

Hanja (Korean)

주

7. Memory

Vivid Mnemonic Story

Under the vast cosmic roof (宀), everything originates from a single center (由) that expands into eternity (宙).

Phonetic Family (形声字家族)

由

yóufrom, by, because of, viaPhonetic Core (声旁)

油

yóuoil+ 氵 (water)

邮

yóupost, mail+ 阝 (city)

抽

chōuto draw out, pull out, or whip+ 扌 (hand)

Explore this family →

Lookalikes & Traps (形近字)

宇(yǔ)

宇 uses 于 at the bottom (space/ eaves), whereas 宙 uses 由 at the bottom (eternity/ cosmos).

8. Mastery

Active Recall Challenge

科学家们一直在探索浩瀚的[___]秘密。

Clue: zhòu

Common Learner Pitfall

Confusing 宙 (zhòu - cosmos/eternity) with 宇 (yǔ - eaves/space). Remember 宙 has 由 inside, hinting at origin and time.

Memory Prompts

Recognition: What does 宙 mean when seen in 宇宙 (universe)?

Production: How do you write the character for eternity/cosmos (zhòu) using the roof radical?

宙zhòuuniverse, eternity

Speed:

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