αὐτόματος
1. of persons, "acting of one's own will, of oneself", Il., etc.
2. of things, "self-moving, self-acting, spontaneous", of the gates of Olympus, the tripods of Hephaestus, Il.:—of plants, "growing of themselves", Hdt.
3. "without apparent cause, accidental", id=Hdt.; αὐτ. θάνατος "a natural" death, Dem.
II. αὐτόματον, ου, τό, "mere chance", ἀπὸ τοῦ αὐτομάτου or ἀπὸ ταὐτομάτου, Lat. sponte, by chance, naturally, Hdt., Thuc.
III. adv. -τως ῀ ἀπὸ ταὐτομάτου, Hdt.