योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-64, verse-31

शक्रः स्वर्गासने तिष्ठन्याति यज्ञार्थमुर्विकाम् ।
सहस्रमेकं भवति तथा चास्मिञ्जनार्दनः ॥ ३१ ॥

śakraḥ svargāsane tiṣṭhanyāti yajñārthamurvikām ,
sahasramekaṃ bhavati tathā cāsmiñjanārdanaḥ 31

31. śakraḥ svargāsane tiṣṭhan yāti yajñārtham urvikām
sahasram ekam bhavati tathā ca asmin janārdanaḥ

31. śakraḥ svargāsane tiṣṭhan yajñārtham urvikām yāti.
ekam sahasram bhavati.
tathā ca asmin janārdanaḥ

31. Though Indra remains on the throne of heaven, he goes to earth for the purpose of a Vedic ritual (yajña). This occurs a thousand times, and similarly, Janārdana (Viṣṇu) also does so.

Words meanings summery:

• शक्रः (śakraḥ) - Indra

• स्वर्गासने (svargāsane) - on the throne of heaven, in the seat of heaven

• तिष्ठन् (tiṣṭhan) - standing, remaining, being (present participle)

• याति (yāti) - goes, proceeds

• यज्ञार्थम् (yajñārtham) - for the purpose of the Vedic ritual, for the sake of Vedic ritual

• उर्विकाम् (urvikām) - to the earth

• सहस्रम् (sahasram) - a thousand

• एकम् (ekam) - one, a single

• भवति (bhavati) - becomes, happens, exists

• तथा (tathā) - thus, so, similarly

• च (ca) - and

• अस्मिन् (asmin) - in this (case, matter)

• जनार्दनः (janārdanaḥ) - Janārdana (a name of Viṣṇu)

Words meanings and morphology

शक्रः (śakraḥ) - Indra

(proper noun)

Nominative, masculine, singular of śakra

śakra - Indra, powerful

Root: śak (class 5)

Note: Subject of yāti

स्वर्गासने (svargāsane) - on the throne of heaven, in the seat of heaven

(noun)

Locative, neuter, singular of svargāsana

svargāsana - heavenly throne, seat in heaven

Compound type : tatpuruṣa (svarga+āsana)

• svarga – heaven, paradise
  noun (masculine)
• āsana – seat, throne, posture
  noun (neuter)
  From root ās (to sit)
  Root: ās (class 2)

तिष्ठन् (tiṣṭhan) - standing, remaining, being (present participle)

(adjective)

Nominative, masculine, singular of tiṣṭhat

tiṣṭhat - standing, remaining

Present Active Participle

From root sthā (to stand)

Root: sthā (class 1)

याति (yāti) - goes, proceeds

(verb)

3rd person , singular, active, present (laṭ) of yā

Present Active

2nd class verb (adādi), Parasmaipada, Present Tense

Root: yā (class 2)

यज्ञार्थम् (yajñārtham) - for the purpose of the Vedic ritual, for the sake of Vedic ritual

(indeclinable)

Compound yajña + artha. Accusative singular used adverbially.

Compound type : tatpuruṣa (yajña+artha)

• yajña – Vedic ritual, sacrifice
  noun (masculine)
  from root yaj (to worship, sacrifice)
  Root: yaj (class 1)
• artha – purpose, meaning, wealth
  noun (masculine)

Note: Functions as an adverbial phrase of purpose.

उर्विकाम् (urvikām) - to the earth

(noun)

Accusative, feminine, singular of urvikā

urvikā - earth

Feminine noun ending in ā

Note: Object of motion for yāti

सहस्रम् (sahasram) - a thousand

(numeral)

Note: Subject of bhavati

एकम् (ekam) - one, a single

(numeral)

भवति (bhavati) - becomes, happens, exists

(verb)

3rd person , singular, active, present (laṭ) of bhū

Present Active

1st class verb (bhūādi), Parasmaipada, Present Tense

Root: bhū (class 1)

तथा (tathā) - thus, so, similarly

(indeclinable)

च (ca) - and

(indeclinable)

अस्मिन् (asmin) - in this (case, matter)

(pronoun)

Locative, masculine, singular of idam

idam - this, this one

Locative singular masculine/neuter of idam

जनार्दनः (janārdanaḥ) - Janārdana (a name of Viṣṇu)

(proper noun)

Nominative, masculine, singular of janārdana

janārdana - tormentor of men; name of Viṣṇu/Kṛṣṇa

Derived from jana (people) + ardana (tormentor/destroyer). Refers to Viṣṇu as the one who torments evil people.

Note: Subject for an implied verb, parallel to Indra.