Adhyāya 214: Tapas Redefined—Perpetual Discipline, Hospitality, and the Ethics of Eating (तपः-निरूपणम्, विघसाशी-अतिथिप्रिय-धर्मः)
महर्षिर्भगवानन्रिवेंद तच्छुक्रसम्भवम् । त्रिबीजमिन्द्रदैवत्यं तस्मादिन्द्रियमुच्यते
mahārṣir bhagavān atrir veda tac chukra-sambhavam | tri-bījam indra-daivatyam tasmād indriyam ucyate ||
भगवान महर्षी अत्रि त्या शुक्राची उत्पत्ती व गती जाणतात. ते म्हणतात—मनोवहा नाडी, संकल्प आणि अन्न ही त्याची त्रिबीज कारणे आहेत. याचा अधिदेव इंद्र आहे; म्हणून याला ‘इंद्रिय’ असे म्हणतात.
भीष्म उवाच
The verse links bodily potency and the functioning of faculties to three supports—mind-channel, intention, and nourishment—implying that ethical self-mastery involves regulating thought (saṅkalpa) and diet, since the senses (indriyas) are governed under a higher order symbolized by Indra.
In Bhishma’s instruction during the Shanti Parva, he cites the authority of the sage Atri to explain the origin and classification of ‘indriya,’ giving a doctrinal-etymological account that connects physiology, psychology, and divine governance.