Lane's Lexicon:
وأصله من حاذ الإبل يحوذها، وحاذها يحوذها أي يسوقها سوقًا عنيفًا
He drove the camels quickly or violently
اِسْتَحْوَذَ ↓ عَلَيْهِ, and استحاذ; He overcame, mastered, or gained the mastery over, him, or it: [like حازهُ.] You say, استحوذ ↓ عَلَى كَذَا He mastered such a thing; gained the mastery over it; gained possession of it. استحوذ ↓ عَلَيْهِمُ الشَّيْطَانُ means The devil had overcome them, or gained the mastery over them: or hath gained the mastery over their hearts: or had gained the mastery over them, and inclined them to that which he desired of them: or drove them, having gained the mastery over them.