一次函数
yī​cì​hán​shù

linear function

一 yī one

A single horizontal stroke, representing the number one.

Character Evolution

Oracle form
Oracle Bone ~1250-1000 BC
Bronze form
Bronze Early Western Zhou ~1000 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
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
Clerical form
Clerical Three Kingdoms (Wu) 222-280 AD
Regular Modern

Component uses

Iconic (9)

生之方或万旦曰巿丏

Meaning (2 of 7 verified)

百千兹闩戛晉閂

Unknown (2)

昼晝

Distinguishing (1)

夫

Simplified (1)

丛

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagart'jitʔi[t] one

說文解字

《說文》：“一，惟初太始，道立於一，造分天地，化成萬物。弌，古文一。”

Sources

Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)

次 cì second, next

The 二 (two) component represents the meaning "second" and also indicates the sound. The 欠 (deficient) represents the meaning "secondary" or "substandard".

Components

二
二 SoundMeaning component
èr two
Change in sound
欠
欠 Meaning component
qiàn, qian yawn, deficient

Alludes to the meaning "second-class" or "inferior".

Character Evolution

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 Mid Western Zhou ~900 BC
Bronze form
Bronze Late Spring and Autumn ~500 BC
Bronze form
Bronze Late Spring and Autumn ~500 BC
Seal form
Seal Xin 9-23 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 Qin 221-206 BC
Clerical form
Clerical Eastern Han 25-220 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Component uses

Sound (2 of 11 verified)

资姿茨瓷咨恣粢資趑佽絘

Meaning (0 of 1 verified)

趑

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagarttshijH[s-n̥]i[j]-s lodge (v.)
tshijH[s-n̥]i[j]-s put in order; second

說文解字

《說文》：“次，不前不精也。从欠，二聲。，古文次。”

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)

函 hán envelop, case

Original meaning: quiver, arrow case

Pictograph of an arrow inside a quiver. Based on the original meaning "quiver, arrow case". The meaning later shifted to "case", "box", "envelop" and "letter".

Components

◎
◎ Iconic component
characterless component

Depicts an inverted arrow.

凵
凵 Iconic component
qiǎn, kǎn enclosure

Used here to depict a quiver.


Character Evolution

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

Component uses

Sound (0 of 2 verified)

涵菡

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagarthomCə-m-kˤ[ə]m envelop, contain

說文解字

《說文》：“圅，舌也。象形，舌體。从，亦聲。肣，俗圅从肉、今。”

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)

数 shù, shǔ, shu number Simplified

Simplified form of 數. Phonosemantic compound. 攵 represents the meaning and 婁 represents the sound.

Components

攵
攵 Meaning component
pū tap

攵 is a component form of 攴.

娄
娄 Sound component
lóu, lǚ, lǘ surname
Change in sound

Component uses

Sound (0 of 2 verified)

擞薮

Historical Pronunciations

Sources

Readings & variants
Unicode

數 shù, shǔ, shu number Traditional

Phonosemantic compound. 攵 represents the meaning and 婁 represents the sound.

Components

攵
攵 Meaning component
pū tap

攵 is a component form of 攴.

婁
婁 Sound component
surname
Change in sound

Character Evolution

Seal form
Seal Qin 221-206 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 Eastern Han 25-220 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Component uses

Sound (0 of 2 verified)

擻藪

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartsrjuXs-roʔ count (v.)
srjuHs-roʔ-s number (n.)
sraewks-rok frequently

說文解字

《說文》：“數，計也。从攴，婁聲。”

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)