Dictionary entry

ἀλλήλων

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ἀλλήλων (gen. pl.), dat. -οις, -αις, acc. -ους, -ας, -α (no nom.), recipr. pron.

of one another, mutually: Mt 25:32, Mk 4:41, Jo 13:22, al.