jiān
firm, solid
Phonosemantic compound. 土 represents the meaning and 臤 represents the sound.
Evolution

Seal script
Shuowen (~100 AD)
Clerical script
Qin dynasty (221-206 BC)
Clerical script
Western Han dynasty (202 BC-9 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernComponent uses
Meaning component in 1 character (0 verified)
Sources