反传算法
fǎn​chuán​suàn​fǎ

backpropagation

反 fǎn reverse

Original meaning: climb

Pictograph of a hand (又) climbing a cliff (厂). Based on original meaning "climb", now written as 扳. The meaning later shifted to "pull" and "reverse".

Components

厂
厂 Iconic component
chǎng cliff, (roof)
又
又 Iconic component
yòu hand

Depicts a hand.


Character Evolution

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 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
Regular Modern

Component uses

Sound (4 of 13 verified)

版板饭返贩扳阪坂畈舨钣飯販

Meaning (0 of 2 verified)

返叛

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartbaenX[b]ˤranʔ dignified, grand
pjonXCə.panʔ reverse (v.)

說文解字

《說文》：“反，覆也。从又、厂。反形。，古文。”

Sources

Character origin
季旭昇《說文新證》p.206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)

传 chuán, zhuàn pass on, transmit Simplified

Phonosemantic compound. 亻 represents the meaning and 专 represents the sound. Simplified form of 傳.

Components

亻
亻 Meaning component
rén person

亻 is a component form of 人.

专
专 Sound component
zhuān monopolize

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode

算 suàn, suan count

Depicts a tool (具) made from bamboo (⺮) for performing calculations, such as an abacus.

Components

⺮
⺮ Meaning component
zhú bamboo

⺮ is a component form of 竹.

具
具 Meaning component
jù, ju tool

Character Evolution

Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Western Han 202 BC-9 AD
Seal form
Seal Shuowen ~100 AD
Regular Modern

Component uses

Sound (0 of 4 verified)

篡纂籑篹

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartswanH[s]ˤorʔ-s calculate; tally

說文解字

《說文》：“算，數也，从竹，从具，讀若筭。”

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)

法 fǎ, fa law

Phonosemantic compound. 氵 represents the meaning and 去 represents the sound. Originally written as 灋.

Components

氵
氵 Meaning component
shui, shuǐ water

Likely alludes to water always flowing in a given path, or water always being flat and level.

去
去 Sound component
qù go away
Change in sound

Character Evolution

Bronze form
Bronze Early Western Zhou ~1000 BC
Bronze form
Bronze Mid Western Zhou ~900 BC
Bronze form
Bronze Late Western Zhou ~800 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 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 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 Qin 221-206 BC
Seal form
Seal Qin 221-206 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 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

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartpjop[p.k]ap model, law

說文解字

《說文》：“灋，刑也。平之如水，从水；廌，所以觸不直者，去之，从去。法，今文省。佱，古文。”

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)

傳 chuán, zhuàn pass on, transmit Traditional

Phonosemantic compound. 亻 represents the meaning and 專 represents the sound.

Components

亻
亻 Meaning component
rén person

亻 is a component form of 人.

專
專 Sound component
zhuān monopolize

Character Evolution

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 Late Western Zhou ~800 BC
Bronze form
Bronze Late Warring States ~250 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Western Han 202 BC-9 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 Eastern Han 25-220 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartdrjwenm-tron transmit
drjwenHN-tron-s what has been transmitted
trjwenHtron-s relay post

說文解字

《說文》：“傳，遽也。从人，專聲。”

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)