wèi
taste
Phonosemantic compound. 口 represents the meaning and 未 represents the sound.
Evolution

Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
wèi
taste, smell, odor; delicacy; taste; smell; (fig.) (noun suffix) feel; quality; sense; (TCM) classifier for ingredients of a medicine prescription
Sources