Abbott-Smith Manual Greek Lexicon
βίος (G979)
10 βίος , -ου, ὁ , [in LXX chiefly for יָמִים ;] period or course of life , life : Lk 8:14 , I Ti 2:2 , II Ti 2:4 , I Jo 2:16 . living , livelihood , means (in Pr 31:14 for לֶחֶם ; v. DCG , ii, 39 a ): Mk 12:44 , Lk 8:43 15:12 , 30 21:4 , I Jo 3:17 .† SYN. : ζωή , is life intensive , " vita quâ vivimus ," the vital principle; βίος , life extensive , "vita quam vivimus," (1) the period of life, (2) the means by which it is sustained. Hence, in cl., ζ. , being confined to the physical life common to men and animals, is the inferior word (cf. zoology , biography ). In NT, ζωή is elevated into the ethical and spiritual sphere (cf. Tr., Syn. , § xxvii).
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain