Shiva Purana
अथ त्रयोदशे मासि स्नात्वा त्रिपथगाम्भसि ॥ प्रत्यूष एव वीरेशं यावदायाति स द्विजः ॥ ३६ ॥
Then in the thirteenth month he took a bath in the waters of Tripathaga The brahmin arrived at the lord of heroes in the morning.
english translation
atha trayodaze mAsi snAtvA tripathagAmbhasi ॥ pratyUSa eva vIrezaM yAvadAyAti sa dvijaH ॥ 36 ॥
hk transliteration by Sanscript