Sakkos denotes a garment or cloth associated with repentance, prophetic clothing, and the sun’s blackened appearance.

The term denotes a cloth or garment: it accompanies repentance in Luke 10:13 and Matthew 11:21, clothes the two witnesses in Revelation 11:3, and supplies the comparison for the sun’s blackness in Revelation 6:12.

1. A cloth or garment in repentance, clothing, and comparison · dominant

   In Luke 10:13 and Matthew 11:21, the dative singular form occurs in the clause describing repentance with ashes. In Revelation 11:3, the accusative plural form is used of the two witnesses being clothed, while Revelation 6:12 uses the nominative singular form in the comparison of the sun becoming black.

   Luke 10:13Matthew 11:21Revelation 11:3Revelation 6:12

In the Anselm Project Bible: The APB presents the term as “sackcloth” in the repentance clauses, in the witnesses’ clothing, and in the comparison “sackcloth of hair.” These renderings confirm the verse contexts rather than isolate every grammatical contribution.