is ecclesiasticus the same as sirach?
The Book of the All-Virtuous Wisdom of Yeshua ben Sira, commonly called the Wisdom of Sirach or simply Sirach (/ˈsaɪræk/), and also known as the Book of Ecclesiasticus (/ɪˌkliːziˈæstɪkəs/; abbreviated Ecclus.) or Ben Sira, is a work of ethical teachings, from approximately 200 to 175 BCE, written by the Jewish scribe ...