Derivation: The word Guru is a Sanskrit word. A number of Derivations are found in Guru Gita. Guru Gita is a part of the Skanta Purana. ‘Gu’ generally means ‘Guna’ and therefore means ‘darkness’. ‘Ru’ denotes light overlapping the darkness like fire. So Guru means the dispeller of darkness or ignorance.

Another derivation [...]