योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-4, verse-24

पूजामादाय संध्यायां प्रगतायां यथागतम् ।
अन्धकाराः समुत्तस्थुर्वेताला वपुषा यथा ॥ २४ ॥

pūjāmādāya saṃdhyāyāṃ pragatāyāṃ yathāgatam ,
andhakārāḥ samuttasthurvetālā vapuṣā yathā 24

24. pūjām ādāya saṃdhyāyām pragatāyām yathāgatam
andhakārāḥ samuttasthuḥ vetālāḥ vapuṣā yathā

24. saṃdhyāyām pragatāyām,
pūjām ādāya,
andhakārāḥ yathāgatam samuttasthuḥ,
yathā vetālāḥ vapuṣā (samuttasthuḥ).

24. As the evening twilight (sandhyā) advanced, and the day's worship (pūjā) concluded, darknesses arose as they naturally do, just like vetālas (vetāla) manifesting in their physical forms.

Words meanings summery:

• पूजाम् (pūjām) - the day's worship or offerings (worship, homage, offering, reverence)

• आदाय (ādāya) - having received (their due), or having concluded (the offerings) (having taken, having received, having performed)

• संध्यायाम् (saṁdhyāyām) - in the evening twilight (in the twilight, in the evening, in the junction period)

• प्रगतायाम् (pragatāyām) - when the evening twilight had passed or advanced (in the passed, in the advanced, in the gone)

• यथागतम् (yathāgatam) - as they naturally do, in their customary manner (as it came, as it happened, naturally, customarily)

• अन्धकाराः (andhakārāḥ) - darknesses, glooms

• समुत्तस्थुः (samuttasthuḥ) - they arose, they stood up, they appeared

• वेतालाः (vetālāḥ) - spirits, ghosts, vampires

• वपुषा (vapuṣā) - in their physical forms (by body, in form, with their bodies)

• यथा (yathā) - as, just as

Words meanings and morphology

पूजाम् (pūjām) - the day's worship or offerings (worship, homage, offering, reverence)

(noun)

Accusative, feminine, singular of pūjā

pūjā - worship, homage, offering, reverence

आदाय (ādāya) - having received (their due), or having concluded (the offerings) (having taken, having received, having performed)

(indeclinable)

Gerund (absolutive)

absolutive form from root dā with prefix ā

Prefix: ā

Root: dā (class 3)

संध्यायाम् (saṁdhyāyām) - in the evening twilight (in the twilight, in the evening, in the junction period)

(noun)

Locative, feminine, singular of saṃdhyā

saṁdhyā - twilight, junction, evening

प्रगतायाम् (pragatāyām) - when the evening twilight had passed or advanced (in the passed, in the advanced, in the gone)

(adjective)

Locative, feminine, singular of pragata

pragata - passed, gone forth, advanced

Past Passive Participle

from root gam with prefix pra

Prefix: pra

Root: gam (class 1)

यथागतम् (yathāgatam) - as they naturally do, in their customary manner (as it came, as it happened, naturally, customarily)

(indeclinable)

अन्धकाराः (andhakārāḥ) - darknesses, glooms

(noun)

Nominative, masculine, plural of andhakāra

andhakāra - darkness, gloom

समुत्तस्थुः (samuttasthuḥ) - they arose, they stood up, they appeared

(verb)

3rd person , plural, active, Perfect (Lit) of samutthā

Prefixes: sam+ud

Root: sthā (class 1)

वेतालाः (vetālāḥ) - spirits, ghosts, vampires

(noun)

Nominative, masculine, plural of vetāla

vetāla - a kind of demon, spirit, ghost

वपुषा (vapuṣā) - in their physical forms (by body, in form, with their bodies)

(noun)

Instrumental, neuter, singular of vapus

vapus - body, form, figure

यथा (yathā) - as, just as

(indeclinable)