/ ˈæʒə(r); NAmE ; BrE also ˈæzjʊə(r)/ adjective
bright blue in colour like the sky
► azure noun [ U ]
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WORD ORIGIN
Middle English (denoting a blue dye): from Old French asur , azur , from medieval Latin azzurum , azolum , from Arabic al the + lāzaward (from Persian lāžward lapis lazuli).