jealousness en · NOUN
Etymology
From Middle English jelousnesse; equivalent to jealous + -ness.
Meanings
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(uncountable) The state or condition of being jealous.
To show you how these two spirits work together, someone may come to you with a lie about your spouse; and after the jealousness sets in, you may wonder what they are doing when they are away from you.
2008, Larry Davis, God's Divine Design for Christian Marriage: