אַבְטוֹמְטוֹס, (αὐτόματος) self-moving, self-growing, spontaneous. Midr. Till. to Ps. I, 5 האומרים א׳ הוא העולם Mus. (ed. טומטום, corr. acc.) who say the universe is a self-moving power (has no creator). [Better: אַבְטוֹמְטוֹן (αὐτόματον, S.) chance.]