lex·eme /ˈlɛkˌsim/
  lexeme
  語義
  lexeme)
  語義; 語素
  lexeme
  詞素
  lexeme
       n : a minimal unit (as a word or stem) in the lexicon of a
           language; `go' and `went' and `gone' and `going' are all
           members of the English lexeme `go'