楼顶
lóu​dǐng

rooftop

楼 lóu building of two or more stories Simplified

Phonosemantic compound. 木 represents the meaning and 娄 represents the sound. Simplified form of 樓.

Components

木
木 Meaning component
mù tree
娄
娄 Sound component
lóu, lǚ, lǘ surname

Sources

Readings & variants
Unicode

顶 dǐng top Simplified

Phonosemantic compound. 页 represents the meaning and 丁 represents the sound. Simplified form of 頂.

Components

丁
丁 Sound component
dīng cubes
页
页 Meaning component
yè page

Depicts a head.

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode

樓 lóu building of two or more stories Traditional

Phonosemantic compound. 木 represents the meaning and 婁 represents the sound.

Components

木
木 Meaning component
mù tree
婁
婁 Sound component
surname

Character Evolution

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

Historical Pronunciations

Middle ChineseOld Chinese
Zhengzhangɡ·roː
Unicodelou

說文解字

《說文》：“樓，重屋也。从木，婁聲。”

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)

頂 dǐng top Traditional

Phonosemantic compound. 頁 represents the meaning and 丁 represents the sound.

Components

丁
丁 Sound component
dīng cubes
頁
頁 Meaning component
yè (head), page

Depicts a head.

Character Evolution

Bronze form
Bronze Early Western Zhou ~1000 BC
Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagarttengXtˤeŋʔ top of the head

說文解字

《說文》：“頂，顛也。从頁，丁聲。，或从作。，籀文从鼎。”

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)