jiǎng
explain
Phonosemantic compound. 讠 represents the meaning and 井 represents the sound. Simplified form of 講.
Evolution

Seal script
Shuowen (~100 AD)
Clerical script
Western Han dynasty (202 BC-9 AD)
Clerical script
Cao Wei (Three Kingdoms: 222-280 AD)Traditional script
ModernSimplified script
ModernDefinitions
Sources