RV 7.3.9
निर् यत् पूतेव स्वधितिः शुचिर् गात् स्वया कृपा तन्वा रोचमानः । आ यो मात्रोर् उशेन्यो जनिष्ट देवयज्याय सुक्रतुः पावकः ॥
nir yat pūteva svadhitiḥ śucir gāt svayā kṛpā tanvā rocamānaḥ | ā yo mātror uśenyo janiṣṭa devayajyāya sukratuḥ pāvakaḥ ||
Devanagari rendered by HREEM from the edition's roman (IAST) text; the IAST is the edition's own.
When forth he cometh, like an axe new-sharpened, pure in his form, resplendent in his body, Sprung, sought with eager longing, from his Parents, for the Gods' worship, Sage and Purifier:
Translated by Ralph T. H. Griffith (1896)