G0844
αὐτόματος
by itself
αὐτόματος -ον, and -η, -ον (etym. doubtful; see Boisacq, Prellwitz, see word), [in LXX, Lev.25:5, 11, 4Ki.19:29 (סָפִיחַ), Jos.6:5, Job.24:24, Wis.17:6 * ;] __1. of persons, acting of one's own will. __2. Of inanimate things and natural agencies, of itself, of its own accord: γῆ Mrk.4:28 (MM, see word); πύλη, Act.12:10.† (AS)
Full Thayer's lexicon entry
αὐτόματος — autómatos
αὐτόματος, ἀυτοματον, and αὐτομάτη, ἀυτοματον (from αὐτός and μέμαα to desire eagerly, from the obsolete theme μάω), moved by one's own impulse, or acting without the instigation or intervention of another (from Homer down); often of the earth producing plants of itself, and of the plants themselves and fruits growing without culture; (on its adverbial use cf. Winer's Grammar, § 54, 2): Mar 4:28; (Herodotus 2, 94; 8, 138; Plato, polit., p. 272 a.; (Theophrastus, h., p. 2, 1); Diodorus 1, 8, etc. Lev 25:5; Lev 25:11). of gates opening of their own accord: Act 12:10 (so in Homer, Iliad 5, 749; Xenophon, Hell. 6, 4, 7; Apoll. Rh. 4, 41; Plutarch, Timol. 12; Nonnus, Dionysius 44, 21; (Dio Cassio, 44, 17)).
2 occurrences
Mark (1), Acts (1)