τετραλογία
τετρᾰ-λογία, ἡ,
λόγος
a series of four dramas, three Tragedies and one Satyric play, exhibited at the festivals of Dionysus: the three Tragedies were called τριλογία, as the Oresteia of Aesch.
{'content': 'τετραλογία\n τετρᾰ-λογία, ἡ,\n λόγος\n a series of four dramas, three Tragedies and one Satyric play, exhibited at the festivals of Dionysus: the three Tragedies were called τριλογία, as the Oresteia of Aesch.', 'key': 'tetralogi/a'}