AS

az: Conj. and adverb (usually Greek hos hosper, kathos), designating: (1) Likeness: (a) between nouns (Genesis 3:5; Judges 6:5; Philippians 2:8; Hebrews 11:27,29); (b) between verbs (Luke 6:36; John 5:30; 1 Corinthians 10:7); (c) between adjectives (1 Corinthians 15:48). (2) Limitation (with respect to a particular aspect or relation) (1 Peter 4:15-16). (3) Time (Luke 8:5; 15:25; Acts 8:36). (4) Cause (1 Corinthians 4:1). (5) Concession (John 7:10; 2 Corinthians 11:21). (6) Illustration, in numerous passages, beginning "as it is written," "as it is said," etc.

From the International Standard Bible Encyclopedia
Edited by James Orr, published in 1939 by Wm. B. Eerdmans Publishing Co.