bǎn, pàn
plank
Phonosemantic compound. 木 represents the meaning and 反 represents the sound.
Evolution

Seal script
Chu (Warring States: 475-221 BC)
Clerical script
Western Han dynasty (202 BC-9 AD)
Clerical script
Eastern Han dynasty (25-220 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
Sources