What's the "een" in Halloween?
Old English Lucifer "Satan," also "morning star," from Latin Lucifer "morning star," literally "light-bringing," from lux (genitive lucis) "light" (see light (n.)) + ferre "carry" (see infer).
Belief that it was the proper name of Satan began with its use in Bible to translate Greek Phosphoros, which translates Hebrew Helel ben Shahar in Isaiah xiv:12 -- "How art thou fallen from heaven, O Lucifer, son of the morning!" [KJV] Because of the mention of a fall from Heaven, the verse was interpreted by Christians as a reference to Satan, even though it is literally a reference to the King of Babylon (cf. Isaiah xiv:4).
Lucifer match "friction match" is from 1831. Adjectival forms include Luciferian, Luciferine, Luciferous. There was a noted Bishop Lucifer of Cagliari in Sardinia in the 4th century, regarded locally as a saint.
Another name for Satan.
A name, traditional in Christianity, for the leader of the devils, an angel who was cast from heaven into hell because he rebelled against God. Lucifer is usually identified with Satan. The name Lucifer, which means “bearer of light” or “morning star,” refers to his former splendor as the greatest of the angels.
brilliant star, a title given to the king of Babylon (Isa. 14:12) to denote his glory.