Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
ερεθισμώ aggravation LXX.Deut.28.22
ερεθισμόν aggravation LXX.Deut.31.27

Liddell-Scott-Jones

ἐρεθισμός (erethismos) aggravation G:N-N

ἐρεθισμός-ισμός, ,

irritation, [LXX+5th c.BC+], stimulating treatment, [Refs 5th c.BC+].

__II provocation, [Refs 1st c.BC+]
__II.2 rebelliousness, [LXX]; perverseness, [Refs 1st c.AD+]

LSJ Scripture Refs: LXX.Deut.28.22LXX.Deut.31.27