Refers to the ancestor in a more distant lineage, generally used to denote one's great-grandmother or great-grandfather.

परदादा-परदादी (great-grandfather/great-grandmother)

English Usage: She inherited her love for gardening from her great grandparent.

Hindi Usage: उसने अपनी परदादी से बगीचाकारी का प्यार विरासत में पाया।