^E. W. Lane, Arabic English Lexicon, 1893, gives for kabir: "greater, and greatest, in body, or corporeal substance, and in estimation or rank or dignity, and more, or most, advanced in age, older, and oldest" (p. 2587).
^"The formula, as the briefest expression of the absolute superiority of the One God, is used in Muslim life in different circumstances, in which the idea of God, His greatness and goodness is suggested." Wensinck, A. J. The Encyclopaedia of Islam, 2nd edition. Brill, 2000. Volume 10, T-U, p. 119, Takbir.