Hyphenation
 fifth col·umnTurkish pronunciation
 fîfth kälımPronunciation
 /ˈfəfᴛʜ ˈkäləm/ /ˈfɪfθ ˈkɑːləm/
Etymology
  ()  From a 1936 radio address by Spanish Nationalist general Emilio Mola, in which he spoke of four of his army columns moving on Madrid and a quinta columna consisting of his militant supporters within the capital, intent on undermining the Republican government from within.