αὐτοματάρειον

From LSJ

τὸ δὲ μέλλον ἀκριβῶς οἶδεν οὐδεὶς θνατὸς ὅπᾳ φέρεται → but as for the future no mortal knows for certain where he is bound

Source

Spanish (DGE)

-ου, τό
recipiente para la disolución espontánea de minerales, Olymp.Alch.91.