Śatapatha Brāhmaṇa ("of a hundred paths") 8.3.4.6

8.3.4.6

mūrdhāsi rāṭ | dhruvāsi dharuṇā dhartryasi dharaṇī yantrī rāḍyantryasi yamanī dhruvāsi dharitrītyetānevāsminnetaddhruvānprāṇānyacati

[He lays them down, with, Vâg. S. XIV, 21,22], 'The head thou art, the ruler! steady thou art, steadfast! a holder thou art, a hold!'--'A guider, a ruler! a guider thou art, a guide! steady thou art, a steadier!' he truly bestows steady vital airs unto him.