楼板
lóu​bǎn

floor slab

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

板 bǎn plank

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

Components

木
木 Meaning component
mù tree
反
反 Sound component
fǎn reverse

Character Evolution

Seal form
Seal Warring States (Chu) 475-221 BC
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 ChineseGloss
Baxter-SagartpaenXC.pˤranʔ plank, board
paenXpˤranʔ perverse

Sources

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

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)