Rigveda 10.190.2
स॒मु॒द्राद॑र्ण॒वादधि॑ संवत्स॒रो अ॑जायत ।अ॒हो॒रा॒त्राणि॑ वि॒दध॒द्विश्व॑स्य मिष॒तो व॒शी॥
samudrādarṇavādadhi saṃvatsaro ajāyata |ahorātrāṇi vidadhadviśvasya miṣato vaśī ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book