द्रोह (Sanskrit) comes from Proto-Indo-Iranian dʰráwgʰas, from Proto-Indo-European dʰrówgʰos, from Proto-Indo-European dʰrewgʰ-, from Proto-Indo-European dʰer- — to support; to hold.
द्रोह (Sanskrit): injury, mischief, harm, perfidy, treachery,...