垓
gāi

border

Components

土
土 Meaning component
tǔ earth

earth

亥
亥 Sound component
hài, jiē 12th terrestrial branch

Character Evolution

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

Historical Pronunciations

Middle ChineseOld Chinese
Zhengzhangkɯː
Unicodegəi

說文解字

兼垓八極地也。《國語》曰:“天子居九垓之田。”从土亥聲。

Sources

Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang
Historical images
Academia Sinica