RV 1.186.4
उप व एषे नमसा जिगीषोषासानक्ता सुदुघेव धेनुः । समाने अहन् विमिमानो अर्कं विषुरूपे पयसि सस्मिन्न् ऊधन् ॥
upa va eṣe namasā jigīṣoṣāsānaktā sudugheva dhenuḥ | samāne ahan vimimāno arkaṃ viṣurūpe payasi sasminn ūdhan ||
Devanagari rendered by HREEM from the edition's roman (IAST) text; the IAST is the edition's own.
To you I seek with reverence, Night and Morning, like a cow good to milk, with hope to conquer, Preparing on a common day the praise. song with milk of various hues within this udder.
Translated by Ralph T. H. Griffith (1896)