trilogy
/ˈtɹɪləd͡ʒi/ noun
Forms trilogies
- noun A set of three connected works—usually dramas, literary pieces, films, or musical compositions—all related by theme, characters, or setting.
Etymology
Learned borrowing from Latin trilogia, itself borrowed from Ancient Greek τριλογία (trilogía, “trilogy”). Morphologically from tri- + -logy.
Webster’s 1913
- noun A series of three dramas which, although each of them is in one sense complete, have a close mutual relation, and form one historical and poetical picture. Shakespeare's " Henry VI." is an example.
Etymology [Gr. Tri-) + trilogie.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “trilogy”, CC BY-SA 4.0. Details