δικαιοσύνην· (dikaiosunen) in Matthew 5:6: Noun Accusative Singular Feminine

Noun: the form names a person, place, thing, or concept in the clause.

Accusative: often marks the object or complement in the clause.

Singular: the number should be read from this occurrence, not generalized beyond the clause.

Feminine: grammatical gender marks form agreement and does not by itself make a theological claim.

Hunger and thirst

The desire pair in Matthew 5:6

Names the object of the blessed longing.

Do not use this noun form alone to settle every theological use of righteousness.

High: The noun names the object that defines the fourth Beatitude's longing.

Accusative object of desire. receives the longing expressed by hunger and thirst. Attached to hunger and thirst. Governed by the desire pair in Matthew 5:6. Read with both coordinated participles.

What do the blessed hunger and thirst for? Righteousness.

Direct: The form directly supports righteousness as the object.

The noun is the object of longing here, but the whole sermon must govern how righteousness is explained.

The witness reads δικαιοσύνην· in Matthew 5:6.

The lemma δικαιοσύνη carries the gloss "justice, justness, righteousness", and here it names righteousness as the object of desire.

The accusative noun is governed by the hungering and thirsting participles.

Jesus blesses those whose deep longing is directed toward righteousness.

The form anticipates righteousness as a major concern in the Sermon on the Mount.

Use it to keep the Beatitude centered on righteousness, not desire in the abstract.

Do not use this occurrence to collapse every biblical use of righteousness into one category.