Canonical Ref: YS 3.4
Sanskrit (Devanāgarī)
त्रयमेकत्र संयमः
English Scholarly Translation
The three together (concentration, meditation, and samadhi) are called samyama
व्याख्या / Traditional Commentary & Notes
Classical Exegesis
The three (trayam) Dhāraṇā, Dhyāna and Samādhi together (ekatra) constitute Saṁyama (saṁyamaḥ)
Canonical CTS URN Reference
Pātañjala Yoga Sūtras, YS 3.4. Poorvam Open Research Engine (PORE) Corpus.