Why does اِسْتَرْقَعَ الثَّوْبُ illustrate suitability?

Ten Semantic Functions of Form X (Istifʿāl): Seeking, Suitability, Finding, Judging, Transformation, Adoption, Abbreviation, Response, Equivalence and Independent Use

• The garment became fit for patching
• The garment asked for a patch
• The garment replied
• The garment became a homeland