昧旦
mèi​dàn

predawn

昧 mèi obscure

Phonosemantic compound. 日 represents the meaning and 未 represents the sound.

Components

日
日 Meaning component
rì sun
未
未 Sound component
wèi not yet

Character Evolution

Bronze form
Bronze Mid Western Zhou ~900 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Qin 221-206 BC
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Western Jin 266-316 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartmwojHmˤ[u][t]-sdusk; dark
Zhengzhangmɯːds
Unicodemə̀i

說文解字

爽，旦明也。从日未聲。一曰闇也。

Sources

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

旦 dàn dawn

Depicts the sun (日) rising above the horizon (一) at dawn. In the oracle bone script the bottom component was the phonetic 丁, which was later reanalyzed as the earth or a horizon.

Components

日
日 Iconic component
rì sun
一
一 Iconic component
yī one

Depicts the horizon.


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 Mid Western Zhou ~900 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
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 (4 of 12 verified)

但担坦胆袒靼疸妲笪怛钽亶

Meaning (3 of 4 verified)

昼暨倝𠦝

Unknown (2 of 3 verified)

是鼂昰

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagarttanHtˤan-s dawn

說文解字

《說文》：“旦，明也。从日見一上。一，地也。”

Sources

Character origin
季旭昇《說文新證》p.539
Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)