Lucifer means "light bringer", also known as the "Morning Star". It is the planet Venus at dawn, bright in the sky, heralding the impending dawn.
A... Golden Dawn... if you will.
Also, "Morning Star" in Latin is "Stella Matutina", the name for the order based on the Golden Dawn that Israel Regardie belonged to...
הֲשִׁיבֵ֣נִי וְאָשׁ֔וּבָה | ἐπίστρεψόν με καὶ ἐπιστρέψω | converte me et convertar