Rigveda 2.10.3

उ॒त्ता॒नाया॑मजनय॒न् त्सूषू॑तं॒ भुव॑द॒ग्निः पु॑रु॒पेशा॑सु॒ गर्भ॑: ।शिरि॑णायां चिद॒क्तुना॒ महो॑भि॒रप॑रीवृतो वसति॒ प्रचे॑ताः॥

uttānāyāmajanayan tsūṣūtaṃ bhuvadagniḥ purupeśāsu garbha: |śiriṇāyāṃ cidaktunā mahobhiraparīvṛto vasati pracetāḥ ||

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