坦
tǎn HSK5

flat

Phonosemantic compound. 土 represents the meaning and 旦 represents the sound.

Components

土
土 Meaning component
tǔ earth
旦
旦 Sound component
dàn dawn

Character Evolution

Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Western Jin 266-316 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartthanX[tʰ]ˤa[n]ʔ level, at ease

說文解字

《說文》：“坦，安也。从土，旦聲。”

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)