Mścigniewa

Mścigniewa is a rare and ancient Slavic name, composed of two elements: 'mści' (from Proto-Slavic *mьstiti, meaning 'to avenge' or 'to retaliate') and 'gniew' (from Proto-Slavic *gněvъ, meaning 'anger' or 'wrath', but often interpreted in names as 'glory' or 'fame' in a powerful, awe-inspiring sense). Names formed with 'gniew' were common in early Slavic societies, often denoting strength and power.

This name, like many other complex Slavic names, fell out of common usage over centuries, particularly with the Christianization of Slavic lands and the adoption of biblical or Western European names. It is now primarily found in historical records or as a very rare, deliberate revival.