gū
orphan
Phonosemantic compound. 子 represents the meaning and 瓜 represents the sound.
Evolution

Bronze script
Late Shang dynasty (~1100 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Western Jin dynasty (266-316 AD)Regular script
ModernDefinitions
Component uses
Sound component in 1 character (0 verified)
Sources