Rigveda 10.173.4

ध्रु॒वा द्यौर्ध्रु॒वा पृ॑थि॒वी ध्रु॒वास॒: पर्व॑ता इ॒मे ।ध्रु॒वं विश्व॑मि॒दं जग॑द्ध्रु॒वो राजा॑ वि॒शाम॒यम्॥

dhruvā dyaurdhruvā pṛthivī dhruvāsa: parvatā ime |dhruvaṃ viśvamidaṃ jagaddhruvo rājā viśāmayam ||

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