Note 23 — Chapter IV · Elements.
Reading edition
Although the Koran and other authorities, as already stated, have associated the Jinn with etherial fire, Arabic folklore is nearer the meaning of the word in assigning the name to all demons. The learned Arabic lexicographer of Beirut, P. Bustani, says ‘The Jinn is the opposite of mankind, or it is whatever is veiled from the sense, whether angel or devil.’