खंडहर (Hindi) comes from Sanskrit *खण्डघर, from Sanskrit घर, from Sanskrit गृह, from Proto-Indo-Iranian gʰr̥dʰás, from Proto-Indo-European gʰr̥dʰós, from Proto-Indo-European gʰerdʰ- — to enclose, to encircle; enclosure, fence, belt.
खंडहर (Hindi): ruin