महाभारतः mahābhārataḥ - book-15, chapter-33, verse-12

इयं च माता ज्येष्ठा मे शीतवाताध्वकर्शिता ।
घोरेण तपसा युक्ता देवी कच्चिन्न शोचति ॥१२॥

12. iyaṁ ca mātā jyeṣṭhā me śītavātādhvakarśitā ,
ghoreṇa tapasā yuktā devī kaccinna śocati.