The story
From brahman + -ism or brahmin + -ism. Introduced in 1816 as Brahmenism by George S. Faber (OED).
Etymology from Wiktionary, CC BY-SA 4.0.
Brahmanism
Today it means: The principles and religious practice of the Brahmins, aspects of Hinduism as practiced by the Brahmin caste of India. Full definition →