(bound form) base; foundation / (bound form) radical (chemistry) / (bound form) gay (loanword from English into Cantonese, Jyutping: gei1, followed by orthographic borrowing from Cantonese)
third of the ten Heavenly Stems 十天干[shi2 tian1 gan1] / third in order / letter "C" or Roman "III" in list "A, B, C", or "I, II, III" etc / ancient Chinese compass point: 165° / propyl