Canonical Ref: AV 12.5.17
Sanskrit (Devanāgarī)
तस्मा॒द् वै ब्रा॑ह्म॒णानां॒ गौर्दु॑रा॒धर्षा॑ विजान॒ता
Canonical CTS URN Reference
Atharvaveda Saṁhitā (Śaunaka), AV 12.5.17. Poorvam Open Research Engine (PORE) Corpus.