环保科学
huán​bǎo​kē​xué

environmental science

环 huán jade ring or bracelet Simplified

Simplified form of 環. Phonosemantic compound. 玉 represents the meaning and 睘 represents the sound.

Components

𤣩
𤣩 Meaning component
yù jade
不
不 Simplified component
bù, bu no

Shorthand for the 睘 component in the traditional character 環.

Sources

Readings & variants
Unicode

保 bǎo protect

Depicts a person carrying a child on their back.

Components

亻
亻 Iconic component
rén person

亻 is a component form of 人.

子
子 Iconic component
zi, zǐ child

Depicts a child being carried.

Change in form
Due to historical stylistic changes, this component is less similar to 子 than it was in ancient scripts.

Character Evolution

Oracle form
Oracle Bone ~1250-1000 BC
Oracle form
Oracle Bone ~1250-1000 BC
Oracle form
Oracle Bone ~1250-1000 BC
Oracle form
Oracle Bone ~1250-1000 BC
Bronze form
Bronze Late Shang ~1100 BC
Bronze form
Bronze Early Western Zhou ~1000 BC
Bronze form
Bronze Early Western Zhou ~1000 BC
Bronze form
Bronze Early Western Zhou ~1000 BC
Bronze form
Bronze Late Western Zhou ~800 BC
Bronze form
Bronze Mid Spring and Autumn ~600 BC
Bronze form
Bronze Mid Warring States ~300 BC
Bronze form
Bronze Mid Warring States ~300 BC
Bronze form
Bronze Late Warring States ~250 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Qin 221-206 BC
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Eastern Han 25-220 AD
Clerical form
Clerical Eastern Han 25-220 AD
Clerical form
Clerical Three Kingdoms (Cao Wei) 222-280 AD
Regular Modern

Component uses

Sound (1 of 5 verified)

堡褒葆煲褓

Meaning (1 of 2 verified)

堡褓

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartpawXpˤuʔ protect

說文解字

《說文》：“保，養也。从人，从省。，古文孚。，古文保。，古文保不省。”

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)

科 kē section

Phonosemantic compound. 禾 represents the sound and 斗 represents the meaning. Depicts measuring out grain (禾) with a dipper (斗).

Components

禾
禾 SoundMeaning component
hé grain stalk
斗
斗 Meaning component
dòu ladle

Character Evolution

Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Regular Modern

Component uses

Sound (0 of 1 verified)

蝌

Historical Pronunciations

Middle ChineseOld Chinese
Zhengzhangkʰoːl
kʰoːls
Unicodekuɑ

說文解字

《說文》：“科，程也。从禾，从斗。斗者，量也。”

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)

学 xué learning Simplified

Simplified form of 學. Depicts two hands (𦥑) teaching a child (子) under a roof (宀). 爻 represents the sound.

Components

◎
◎ Simplified component
characterless component

Shorthand for the 𦥑 and 爻 components in the traditional character 學.

宀
宀 Iconic component
mián roof
子
子 Iconic component
zi, zǐ child

Component uses

Sound (1)

觉

Remnant (1)

觉

Sources

Readings & variants
Unicode

環 huán jade ring or bracelet Traditional

Phonosemantic compound. 玉 represents the meaning and 睘 represents the sound.

Components

𤣩
𤣩 Meaning component
yù jade
睘
睘 Sound component
qióng round
Change in sound

Character Evolution

Bronze form
Bronze Mid Western Zhou ~900 BC
Bronze form
Bronze Late Western Zhou ~800 BC
Bronze form
Bronze Late Western Zhou ~800 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Qin 221-206 BC
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagarthwaenC.ɢʷˤ<r>en ring (n.)

說文解字

《說文》：“環，璧也。肉好若一謂之環。从玉，睘聲。”

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)

學 xué learning Traditional

Depicts two hands (𦥑) teaching a child (子) under a roof (宀). 爻 represents the sound.

Components

𦥑
𦥑 Iconic component
jú, jǔ, póu two hands

Depicts two hands.

爻
爻 Sound component
yáo, xiào diagrams for divination
Change in sound
宀
宀 Iconic component
mián roof

Depicts a roof.

子
子 Iconic component
zi, zǐ child

Depicts a child.

Character Evolution

Oracle form
Oracle Bone ~1250-1000 BC
Oracle form
Oracle Bone ~1250-1000 BC
Oracle form
Oracle Bone ~1250-1000 BC
Oracle form
Oracle Bone ~1250-1000 BC
Bronze form
Bronze Early Western Zhou ~1000 BC
Bronze form
Bronze Early Western Zhou ~1000 BC
Bronze form
Bronze Early Warring States ~400 BC
Bronze form
Bronze Late Warring States ~250 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Qin 221-206 BC
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Eastern Han 25-220 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagarthaewkm-kˤruk study; imitate

說文解字

《說文》：“斆，覺悟也。从教，从冖，冖，尚矇也，臼聲。學，篆文斅省。”

Sources

Character origin
季旭昇《說文新證》p.247-248漢語多功能字庫
Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)