independently
From LSJ
οὐ παντός πλεῖν ἐς Κόρινθον → it's not for every man to make a journey to Corinth, not everyone can afford a trip to Corinth
adv.
P. and V. ἐλευθέρως. Separately: P. and V. χωρίς, δίχα. Privately: P. and V. ἰδίᾳ (Eur., Supp. 129). Independently of: see apart from.