с обеих сторон
From LSJ
ἄνευ γὰρ φίλων οὐδεὶς ἕλοιτ᾽ ἂν ζῆν, ἔχων τὰ λοιπὰ ἀγαθὰ πάντα → without friends no one would choose to live, though he had all other goods
Russian > Greek
ἀμφίς, δίπτυχα, ἀμφότερος, ἑκατέρωθεν, ἀμφοτέρωθι, διπλῇ, διπλᾷ, ἀμφότερα, ἀμφιστρόγγυλος, ἀμφοτέρωθεν