Lust or gluttony, eg (6,3)
I believe the answer is:
deadly sin
I believe this is a double definition.
'lust' is the first definition.
(I have seen 'eg lust ' mean 'deadly sin' so perhaps 'lust' could also mean 'deadly sin')
'gluttony eg' is the second definition.
(gluttony is a kind of deadly sin)
(Other definitions for deadly sin that I've seen before include "Anger, covetousness, envy, gluttony, lust, pride or sloth" , "It's one of seven, gluttony say" , "Greed, perhaps" , "Lethal lapse like pride, gluttony or envy" , "Eg, lust or gluttony" .)