عَصْفٍ

A word in the Arabic language will either be 1) a verb or 2) a noun or 3) a particle – عَصْفٍ is a noun

A noun may either be 1) Definite or indefinite 2) Masculine or feminine 3) Singular, dual or plural 4) Nominative, accusative or genitive

عَصْفٌ is the natural state of this indefinite noun and it becomes عَصْفٍ due to: 1) a preposition that precedes it or 2) a possessed noun that precedes it or 3) it’s a noun of dependent declension a) نَعْتٌ / صِفَطٌ adjectives b) التَّوْكِيْدُ emphatic c) المَعْطُوْفٌ conjunction d) البَدَلُ synonym

Leaves and stalks, straw, green crop, bladder, stubbles, husk

To blow violently (wind), blow in a gale, be quick, rag swiftly,