Adhyaya 78 — Hymn to Surya and the Distribution of Solar Splendour; Genealogy of Vaivasvata and Chaya’s Line
ततश्च नासिकायोगं तयोस्तत्र समेतयोः ।
नासत्यदस्त्रौ तनयावश्वीवक्त्रविनिर्गतौ ॥
tataśca nāsikāyogaṃ tayostatra sametayoḥ / nāsatyadastrau tanayāvaśvīvaktravinirgatau
Then, when the two met there, a union occurred through the nose; and the two sons—Nāsatya and Dasra—came forth, emerging with horse-like faces.
Purāṇic genealogy often teaches that divine functions (here, healing and rescue by the Aśvins) arise from extraordinary origins, emphasizing that cosmic roles transcend ordinary biological norms.
Vaṃśānucarita: the narrative accounts for the origin of key devas (Aśvins) connected to the Solar household.
‘Nasal union’ symbolically links prāṇa (breath) with restoration/medicine: the Aśvins as healers emerge from the channel of breath, suggesting life-force as the basis of healing.