relic area meaning in Hindi

These varieties are thought to be relic areas of a previously larger areal dialect group that used to share these features and was later divided by the penetration of Arvanitika settlement in much of its area in the late Middle Ages.
This suggests that palatalized / d / > / d? / > either / j / or / dz / depending on location, while palatalized / g / > / j /; after this, / j / > / ( d ) d? / in most areas, but Spanish and Gascon ( originating from isolated districts behind the western Pyrenees ) were relic areas unaffected by this change.