dedicarse
From LSJ
νᾶφε καὶ μέμνασο ἀπιστεῖν → keep a clear head and remember not to believe a thing (Epicharmus fr. 250)
Spanish > Greek
διατρίβω, ἐμπορεύομαι, ἐκκρεμάννυμι, ἐνδιατρίβω, εἰσκυκλέω, ἐμφύω, γίγνομαι, ἐνασχολέω, ἐναναστρέφομαι, ἀντιλαμβάνω