tām eva vidadhāmy aham

yah-that; yah-that; yam-which; yam-which; tanum-form of the demigods; bhaktah-devotee; sraddhaya-with faith; arcitum-to worship; icchati-desires; tasya-of that; tasya-of that; acalam-steady; sraddham-faith; tam-him; eva-surely; vidadhami-give; aham-I.