Yōga Sūtra 3.11

सर्वार्थतैकाग्रतयोः क्षयोदयौ चित्तस्य समाधिपरिणामः।

(Practice of) having single pointed attention at all times results in the reduction of arousal of consciousness, called - samādhi-pariṇāmaḥ (Effects-of-Samādhi).