βίος
I. "life", i. e. not animal life (ζωή), but "a course of life, manner of living", Lat. vita, Od., etc.; in pl., τίνες καὶ πόσοι εἰσὶ βίοι; Plat.
2. in Poets = ζωή, βίον ἐκπνεῖν Aesch.; ἀποψύχειν Soph.
3. "life-time", Hdt., Plat.
II. "a living, livelihood, means of living, substance", Lat. victus, Hes., Soph., etc.; τὸν βίον ποιεῖσθαι ἀπό τινος to make one's "living" of a thing, Thuc., etc.
III. "a life, biography", as those of Plut.