líng​rì​lòu​dòng

zero-day vulnerability

líng zero

Original meaning: to fall (rain/snow)

Phonosemantic compound. represents the meaning and represents the sound. Based on the original meaning "to fall (of rain/snow)". The meaning later shifted to "scattered", "fraction", and "zero".

Components

Meaning component
rain
Sound component
lìng command

Character Evolution

Seal form
Seal Western Han 202 BC-9 AD
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Eastern Han 25-220 AD
Clerical form
Clerical Three Kingdoms (Cao Wei) 222-280 AD
Clerical form
Clerical Jin 266-420 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartleng[r]ˤiŋ fall (v., of rain)

說文解字

《說文》:“零,餘雨也。从雨,令聲。”

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica

sun

Pictograph of the sun.

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
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 Late Spring and Autumn ~500 BC
Bronze form
Bronze Late Warring States ~250 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Qin 221-206 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
Regular Modern

Component uses

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartnyitC.nik sun; day

說文解字

《說文》:“日,實也,太陽之精不虧。从囗、一,象形。日說文古文,古文,象形。”

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica

lòu leak

Originally written as , which depicts rainwater () leaking through a house roof (). The (water) component was added later to clarify the meaning.

Components

Meaning component
shui, shuǐ water

is a component form of .

SoundIconic component
lòu to leak

Depicts rainwater () leaking through a house roof ().

Character Evolution

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 Three Kingdoms (Cao Wei) 222-280 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartluwH[Nə-r]ˤok-s leak (v.)

說文解字

《說文》:“漏,以銅受水刻節,晝夜百刻。从水,屚聲。”

Sources

Character origin
李学勤《字源》p.1011, 1025許進雄《新編進階甲骨文字典: 甲骨文發現120周年紀念版》p.204
Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica

dòng cave

Phonosemantic compound. represents the meaning and represents the sound.

Components

Meaning component
shui, shuǐ water

is a component form of .

Sound component
tóng, tong, tòng together

Character Evolution

Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Eastern Han 25-220 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld Chinese
Zhengzhangdoːŋ
doːŋs
Unicodedhùng
dhung

說文解字

《說文》:“洞,疾流也。从水,同聲。”

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang
Historical images
Academia Sinica