Rigveda 9.87.3
ऋषि॒र्विप्र॑: पुरए॒ता जना॑नामृ॒भुर्धीर॑ उ॒शना॒ काव्ये॑न ।स चि॑द्विवेद॒ निहि॑तं॒ यदा॑सामपी॒च्यं१ गुह्यं॒ नाम॒ गोना॑म्॥
ṛṣirvipra: puraetā janānāmṛbhurdhīra uśanā kāvyena |sa cidviveda nihitaṃ yadāsāmapīcyaṃ1 guhyaṃ nāma gonām ||
Our plain-language meaning of this verse is waiting for scholar review.