Usage: 2 forms in 3 verses
Form Translated As     In Verse(s)
διηγήματι a tale LXX.Deut.28.37
διήγημα a tale LXX.2Chr.7.20LXX.Ezek.17.2

Liddell-Scott-Jones

διήγημα (diēgēma) a tale G:N-N

διήγημα-ημα, ατος, τό,

tale, λέγειν [LXX+3rd c.BC+]

LSJ Scripture Refs: LXX.Deut.28.37