योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-53, verse-15

तत्रैकस्मिन्पुरःसंस्थे विततावरणान्विते ।
वेधयित्वा विवेशान्तर्बदरं कृमिको यथा ॥ १५ ॥

tatraikasminpuraḥsaṃsthe vitatāvaraṇānvite ,
vedhayitvā viveśāntarbadaraṃ kṛmiko yathā 15

15. tatra ekasmin puraḥsaṃsthe vitatāvaraṇānvite
vedhayitvā viveśa antaḥ badaram kṛmikaḥ yathā

15. yathā kṛmikaḥ badaram vedhayitvā antaḥ viveśa,
tatra ekasmin puraḥsaṃsthe vitatāvaraṇānvite viveśa

15. Into one such universe (brahmāṇḍa), which was situated before him and possessed extensive coverings, he penetrated. He entered within, just as a small worm pierces and enters a jujube fruit.

Words meanings summery:

• तत्र (tatra) - into one of those universes (there, in that place)

• एकस्मिन् (ekasmin) - in one (of the universes) (in one)

• पुरःसंस्थे (puraḥsaṁsthe) - (in the one) situated in front of him (situated in front, standing before)

• विततावरणान्विते (vitatāvaraṇānvite) - endowed with extensive coverings

• वेधयित्वा (vedhayitvā) - having caused to pierce, having pierced

• विवेश (viveśa) - entered

• अन्तः (antaḥ) - inside, within

• बदरम् (badaram) - jujube fruit

• कृमिकः (kṛmikaḥ) - a small worm, insect

• यथा (yathā) - just as, like

Words meanings and morphology

तत्र (tatra) - into one of those universes (there, in that place)

(indeclinable)

derived from tad (that) + tral suffix

एकस्मिन् (ekasmin) - in one (of the universes) (in one)

(adjective)

Locative, masculine, singular of eka

eka - one, a single, unique

Note: Refers to brahmāṇḍe (universe), which is implied.

पुरःसंस्थे (puraḥsaṁsthe) - (in the one) situated in front of him (situated in front, standing before)

(adjective)

Locative, masculine, singular of puraḥsaṃstha

puraḥsaṁstha - situated in front, standing before

puraḥ (in front) + saṃstha (standing, situated)

Compound type : tatpuruṣa (puras+saṃstha)

• puras – in front, before, eastward
  indeclinable
• saṃstha – standing, existing, situated
  adjective
  From root sthā with prefix sam
  Prefix: sam
  Root: sthā (class 1)

Note: Agrees with ekasmin.

विततावरणान्विते (vitatāvaraṇānvite) - endowed with extensive coverings

(adjective)

Locative, masculine, singular of vitatāvaraṇānvita

vitatāvaraṇānvita - endowed with extensive coverings

vitata (extensive) + āvaraṇa (covering) + anvita (endowed with)

Compound type : tatpuruṣa (vitata+āvaraṇa+anvita)

• vitata – extensive, widespread, stretched out
  adjective
  Past Passive Participle
  from root tan with prefix vi
  Prefix: vi
  Root: tan (class 8)
• āvaraṇa – covering, veil, screen
  noun (neuter)
  from root vṛ with prefix ā
  Prefix: ā
  Root: vṛ (class 5)
• anvita – accompanied by, connected with, endowed with
  adjective
  Past Passive Participle
  from root i with prefix anu
  Prefix: anu
  Root: i (class 2)

Note: Agrees with ekasmin.

वेधयित्वा (vedhayitvā) - having caused to pierce, having pierced

(indeclinable)

Absolutive (gerund) of the causative stem

From root vyadh with causative suffix -ayi and absolutive suffix -tvā.

Root: vyadh (class 6)

विवेश (viveśa) - entered

(verb)

3rd person , singular, active, perfect (lit) of viś

Perfect active 3rd person singular

Reduplicated root viś

Root: viś (class 6)

अन्तः (antaḥ) - inside, within

(indeclinable)

बदरम् (badaram) - jujube fruit

(noun)

Accusative, neuter, singular of badara

badara - jujube fruit, berry of the jujube tree

Note: Object of vedhayitvā (implied by context of comparison).

कृमिकः (kṛmikaḥ) - a small worm, insect

(noun)

Nominative, masculine, singular of kṛmika

kṛmika - worm, insect, bug

Derived from kṛmi (worm)

Note: Subject of the comparison.

यथा (yathā) - just as, like

(indeclinable)