Saidapet derives from 'Syed Khan' + 'pet' (area), replacing the earlier name 'Kaarani'. The name evolved from a Muslim noble's influence in the region. Distractors: Thirukarani shares the 'karani' root but is different; Thiruvateshwaranpet and Thiruvallikeni (Triplicane) are other Chennai areas with unrelated etymologies.