ἐξαμιλλᾶσθαι
From LSJ
ἐν πίθῳ ἡ κεραμεία γιγνομένη → trying to run before you can walk, the potter's art starting on a big jar
Greek > English (Woodhouse Verbs Reversed)
(see also ἐξαμιλλάομαι): contend, compete with, contend with, emulate a person