अन्वयः

सः he, विरात्रे at the end of the night, षडङ्गवेदविदुषाम् of those who were knowledgeable of Vedas and its six auxillary branches of sciences, क्रतुप्रवरयाजिनाम् those who were experts in performing exalted sacrificial ceremonies, ब्रह्मरक्षसाम् of brahmins among demons, ब्रह्मघोषान् sounds of Vedas, शुश्राव heard.

M N Dutt

At that late hour of the night, he heard the chantings of the Vedas by the Rákşasas, conversant with the six supplementary parts of the Vedas,* engaged in the performance of sacrificial rites and knowing Brahmā. *Grammar, Prosody, astronomy, pronounciation, the meaning of the unusual terms and the ritual of the Hindu religion.

Summary

At dawn sounds of recitation of Vedas and the six auxillary sciences, (i.e .grammar, prosody, etymology, phonetics, astronomy and the science of rituals) by the brahmins among demons wellversed in performing exalted sacrificial ceremonies were heard.

पदच्छेदः

षडङ्गवेदविदुषां	षष्–अङ्ग–वेद–विद्वस् (६.३)
क्रतुप्रवरयाजिनाम्	क्रतु–प्रवर–याजिन् (६.३)
शुश्राव	शुश्राव (√श्रु लिट् प्र.पु. एक.)
ब्रह्मघोषांश्च	ब्रह्मघोष (२.३)–च (अव्ययः)
विरात्रे	विरात्र (७.१)
ब्रह्मरक्षसाम्	ब्रह्मरक्षस् (६.३)

छन्दः

अनुष्टुप् [८]

छन्दोविश्लेषणम्

१	२	३	४	५	६	७	८
ष	ड	ङ्ग	वे	द	वि	दु	षां
क्र	तु	प्र	व	र	या	जि	नाम्
शु	श्रा	व	ब्र	ह्म	घो	षां	श्च
वि	रा	त्रे	ब्र	ह्म	र	क्ष	साम्