Complex sentence: The "West Syrian Rite" is the rite used by the Jacobite sect in Syria, the Orthodox church of India, and by the Catholic Syrians is in its origin simply the old rite of Antioch in the Syriac language.
Split into simpler sentences: The "West Syrian Rite" is the rite used by the Jacobite sect in Syria, the Orthodox church of India, and by the Catholic Syrians. It is in its origin simply the old rite of Antioch in the Syriac language.