毒理学
dú​lǐ​xué

toxicology

毒 dú poison

Depicts a plant (屮) that is not good (毐), i.e. a poisonous plant.

Components

屮
屮 Meaning component
chè, cǎo sprout
毐
毐 Meaning component
aǐ, ǎi person of reprehensible morals

Character Evolution

Seal form
Seal Western Han 202 BC-9 AD
Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Qin 221-206 BC
Clerical form
Clerical Qin 221-206 BC
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Component uses

Sound (0 of 1 verified)

碡

Meaning (0 of 1 verified)

纛

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartdowk[d]ˤuk poison (n.)
dowkm-[d]ˤuk-s to poison (v.)

說文解字

《說文》：“毒，厚也，害人之艸，往往而生。从屮，从毐。，古文毒，从刀、葍。”

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)

理 lǐ, li reason

Original meaning: cut jade

Phonosemantic compound. 𤣩 represents the meaning and 里 represents the sound.

Components

𤣩
𤣩 Meaning component
yù jade

𤣩 is a component form of 玉.

Change in meaning
𤣩 hints at the original meaning of 理, "cut jade", which is no longer the most common meaning of 理 in modern Mandarin.
里
里 Sound component
lǐ, li village

Character Evolution

Bronze form
Bronze Late Western Zhou ~800 BC
Seal form
Seal Qin 221-206 BC
Seal form
Seal Western Han 202 BC-9 AD
Seal form
Seal Shuowen ~100 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-SagartliXm(ə).rəʔ cut jade; regulate
liXm(ə).rəʔ reason; principle

說文解字

《說文》：“理，治玉也。从玉，里聲。”

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)

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

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)