Complex sentence: The film was named after the second-to-last shot of the day on a film, which is called an "Abby Singer" after Abner E. "Abby" Singer.
Split into simpler sentences: The film was named after the second-to-last shot of the day on a film, which is called an "Abby Singer". This film term is named after Abner E. "Abby" Singer.