The principles and system of the Protestant sect calling themselves Brethren or Christian Brethren, commonly called Plymouth Brethren, whence also Plymouth Brethrenism.
1865. Pall Mall Gaz., 5. The religious system known as Plymouth Brethrenism.
1883. Booksellers Catal., 55. Brethrenism.Kelleys (W.) Lectures on the Book of Isaiah.