Rig Veda 7.33.9

Sanskrit text [Accents, Plain, Transliterated]:

त इन्नि॒ण्यं हृद॑यस्य प्रके॒तैः स॒हस्र॑वल्शम॒भि सं च॑रन्ति । य॒मेन॑ त॒तं प॑रि॒धिं वय॑न्तोऽप्स॒रस॒ उप॑ सेदु॒र्वसि॑ष्ठाः ॥
त इन्निण्यं हृदयस्य प्रकेतैः सहस्रवल्शमभि सं चरन्ति । यमेन ततं परिधिं वयन्तोऽप्सरस उप सेदुर्वसिष्ठाः ॥
ta in niṇyaṃ hṛdayasya praketaiḥ sahasravalśam abhi saṃ caranti | yamena tatam paridhiṃ vayanto 'psarasa upa sedur vasiṣṭhāḥ ||

English translation:

“By the wisdom seated in the heart the Vasiṣṭhas traverse the hidden thousand branched world, andthe Apsarasas sit down wearing the vesture spread out by Yama.”

Commentary by Sāyaṇa: Ṛgveda-bhāṣya

The hidden thousand-branched world: niṇyamsahasravalśam abhisañcaranti, they completely go over the hidden, tirohitam, or durjñānam, ignorant,sahasra valśam, thousand-branched, that is, saṃsāram, the revolving world of various living beings, or thesuccession of many births; the allusion is to the repeated births of Vasiṣṭha, who is the first of the Prajāpatis,or mind-born sons of Brahmā, who is the son of Urvaśī; hṛdayasya praketaiḥ prajñānaiḥ, internalconvictions or knowledge; this may imply the detachment of Vasiṣṭha or his sons from the world. The apsaras sitdown: yamena tatam paridhim vayanto apsarasa upasedur vasiṣṭhāḥ: te vasiṣṭhāḥ, those vasiṣṭhas or thatvasiṣṭha;

Yamena = sarvaniyantrā, by the restrainer or regulator of all; kāraṇātmanā, identical with cause,that is, by acts, as the causes of vital condition; the garb paridhim, vastram, spread, tatam, by him, is herevolution of life and death; janmādipravāhāḥ, weavin, vayantaḥ; connecting this with apsarasaḥ, the myphs,or, the nymph Urvaśī, who sat down or approached in the capacity of a mother, jananitvena, wearing thatvesture which he was destined by former nets to wear

Details:

Ṛṣi (sage/seer): vasiṣṭhaputrāḥ;
Devatā (deity/subject-matter): ta eva ;
Chandas (meter): nicṛttriṣṭup ;
Svara (tone/note): Swar;

Padapatha [Accents, Plain, Transliterated]:

ते । इत् । नि॒ण्यम् । हृद॑यस्य । प्र॒ऽके॒तैः । स॒हस्र॑ऽवल्शम् । अ॒भि । सम् । च॒र॒न्ति॒ । य॒मेन॑ । त॒तम् । प॒रि॒ऽधिम् । वय॑न्तः । अ॒प्स॒रसः॑ । उप॑ । से॒दुः॒ । वसि॑ष्ठाः ॥
ते । इत् । निण्यम् । हृदयस्य । प्रकेतैः । सहस्रवल्शम् । अभि । सम् । चरन्ति । यमेन । ततम् । परिधिम् । वयन्तः । अप्सरसः । उप । सेदुः । वसिष्ठाः ॥
te | it | niṇyam | hṛdayasya | pra-ketaiḥ | sahasra-valśam | abhi | sam | carant i | yamena | tatam | pari-dhim | vayantaḥ | apsarasaḥ | upa | seduḥ | vasiṣṭhāḥ

Multi-layer Annotation of the Ṛgveda

[Rigveda 7.33.9 English analysis of grammar]