both
From LSJ
Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
English > Greek (Woodhouse)
adj.
P. and V. ἄμφω, ἀμφότεροι (neuter only in V.).
Both together: P. συνάμφω, συναμφότεροι.
Tearing her hair with the fingers of both hands: V. κόμην σπῶσʼ ἀμφιδεξίοις ἀκμαῖς (Soph., O.R. 1243).
From both sides, adv.: P. ἀμφοτέρωθεν.
In both ways, adv.; P. ἀμφοτέρως.