αὐτομάτως
From LSJ
Δελφῖνα νήχεσθαι διδάσκεις: ἐπὶ τῶν ἐν ἐκείνοις τινὰ παιδοτριβούντων, ἐν οἷς ἤσκηται → Teaching dolphins to swim: is applied to those who are teaching something among people who are already well versed in it
Spanish
French (Bailly abrégé)
adv.
de son propre mouvement, de soi-même, spontanément.
Étymologie: αὐτόματος.
Russian (Dvoretsky)
αὐτομάτως: в силу стечении обстоятельств, случайно, само собой Her., Arst., Theocr., Plut.