Rigveda 2.11.5

गुहा॑ हि॒तं गुह्यं॑ गू॒ळहम॒प्स्वपी॑वृतं मा॒यिनं॑ क्षि॒यन्त॑म् ।उ॒तो अ॒पो द्यां त॑स्त॒भ्वांस॒मह॒न्नहिं॑ शूर वी॒र्ये॑ण॥

guhā hitaṃ guhyaṃ gūḷahamapsvapīvṛtaṃ māyinaṃ kṣiyantam |uto apo dyāṃ tastabhvāṃsamahannahiṃ śūra vīryeṇa ||

Our plain-language meaning of this verse is waiting for scholar review.