logion
Concise Oxford English Dictionary © 2008 Oxford University Press:
logion /ˈlɒgɪɒn, ˈləʊ-/
▶noun (pl. logia /-gɪə/) a saying attributed to Christ, especially one not recorded in the canonical Gospels.
– origin C19: from Gk, ‘oracle’.
'logion' also found in these Oxford entries:

