四氯乙烯
sì​lǜ​yǐ​xī

tetrachloroethylene

四 sì four

In ancient texts the character 亖 (four horizontal strokes) was used. The current form 四 depicts breathing through the nose and is the original form of 呬. The use of 四 as a number is a phonetic loan.

Character Evolution

Oracle form
Oracle Bone ~1250-1000 BC
Bronze form
Bronze Early Western Zhou ~1000 BC
Bronze form
Bronze Late Spring and Autumn ~500 BC
Bronze form
Bronze Late Spring and Autumn ~500 BC
Bronze form
Bronze Mid Warring States ~300 BC
Bronze form
Bronze Late Warring States ~250 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 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
Clerical form
Clerical Jin 266-420 AD
Regular Modern

Component uses

Sound (1 of 4 verified)

泗驷呬駟

Meaning (0 of 2 verified)

驷駟

Iconic (1)

呬

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartsijHs.li[j]-s four

說文解字

《說文》：“四，陰數也。象四分之形。，古文四。亖，籀文四。”

Sources

Character origin
季旭昇《說文新證》p.948
Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)

氯 lǜ chlorine

Phonosemantic compound. 气 represents the meaning and 录 represents the sound.

Components

气
气 Meaning component
qì, qi air
录
录 Sound component
lù copy

Sources

Readings & variants
Unicode

乙 yǐ second

Depicts a stream of water.

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 Early Western Zhou ~1000 BC
Bronze form
Bronze Early Western Zhou ~1000 BC
Bronze form
Bronze Mid Western Zhou ~900 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 Western Han 202 BC-9 AD
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Spring and Autumn 771-476 BC
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
Regular Modern

Component uses

Sound (3 of 6 verified)

艺亿忆虱钇穵

Distinguishing (1)

乾

Meaning (0 of 1 verified)

氹

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagart'itqrət 2nd heavenly stem

說文解字

《說文》：“乙，象春艸木冤曲而出，陰氣尚彊，其出乙乙也。與丨同意，乙承甲，象人頸。”

Sources

Character origin
季旭昇《說文新證》p.959
Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)

烯 xī alkene

Phonosemantic compound. 火 represents the meaning and 希 represents the sound.

Components

火
火 Meaning component
huǒ fire
希
希 Sound component
xī hope

Sources

Readings & variants
Unicode