ðə tˈɜːm ɪz nˌɑːɾə klˈæsɪkəl wˌʌn; ɪt wʌz ɪnvˈɛntᵻd baɪ skˈælɪdʒɚɹ ɪn hɪz poʊˈɛɾɪks pˈʌblɪʃt pˈoʊsthjuːməsli ɪn wˈʌn θˈaʊzənd fˈaɪvhˈʌndɹɪd sˈɪksti wˈʌn.
The term is not a classical one; it was invented by Scaliger in his Poetics (published posthumously in 1561).