βίβλος

βίβλος, -ου, ἡ (variant form of βύβλος, the Egyptian papyrus, paper made from its fibrous coat),

[in LXX for סֶפֶר, the form βύβ- being sometimes used ;]

a book, a roll, used much less frequently than βιβλίον, and with a "connotation of sacredness and veneration" (MM, Exp., x), Matt 1,1 Mark 12,26, Luk 3,4; 20,42 ApG 1,20; 7,42; 19,19; β. τ. ζωῆς, Fil 4,3, Åb 3,5; 20,15.†