योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-109, verse-23

अन्तर्धानं जगामाशु तत्र शाम्बरिकः क्षणात् ।
अथेदमूचुस्ते सभ्या विस्मयोत्फुल्ललोचनाः ॥ २३ ॥

antardhānaṃ jagāmāśu tatra śāmbarikaḥ kṣaṇāt ,
athedamūcuste sabhyā vismayotphullalocanāḥ 23

23. antardhānam jagāma āśu tatra śāmbarikaḥ kṣaṇāt
atha idam ūcuḥ te sabhyāḥ vismayotphullalocanāḥ

23. tatra śāmbarikaḥ kṣaṇāt āśu antardhānam jagāma
atha vismayotphullalocanāḥ te sabhyāḥ idam ūcuḥ

23. The magician (śāmbarika) then quickly vanished there in an instant. Thereupon, the assembly members, their eyes wide open in astonishment, spoke this.

Words meanings summery:

• अन्तर्धानम् (antardhānam) - disappearance (disappearance, vanishing, concealment)

• जगाम (jagāma) - went (went, has gone)

• आशु (āśu) - quickly (quickly, swiftly)

• तत्र (tatra) - there (in that place) (there, then, in that place)

• शाम्बरिकः (śāmbarikaḥ) - the magician (śāmbarika) (the magician, the illusionist)

• क्षणात् (kṣaṇāt) - in an instant (from a moment, in a moment, instantly)

• अथ (atha) - thereupon (then, thereupon, now, next)

• इदम् (idam) - this (this, this one)

• ऊचुः (ūcuḥ) - they spoke (they spoke, they said)

• ते (te) - they (they, those)

• सभ्याः (sabhyāḥ) - the assembly members (assembly members, courtiers, noblemen)

• विस्मयोत्फुल्ललोचनाः (vismayotphullalocanāḥ) - with eyes wide open in astonishment (having eyes wide open in astonishment, with astonished and wide-open eyes)

Words meanings and morphology

अन्तर्धानम् (antardhānam) - disappearance (disappearance, vanishing, concealment)

(noun)

Accusative, neuter, singular of antardhāna

antardhāna - disappearance, vanishing, concealment

antar (within) + dhāna (placing, hiding) from dhā (to place)

Compound type : karmadhāraya (antar+dhāna)

• antar – within, between
  indeclinable
  prefix/preposition
• dhāna – placing, holding
  noun (neuter)
  from √dhā
  Root: dhā (class 3)

Note: Object of motion/state change with jagāma.

जगाम (jagāma) - went (went, has gone)

(verb)

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

Perfect Active

Root gam, reduplicated perfect.

Root: gam (class 1)

Note: Verb for śāmbarikaḥ.

आशु (āśu) - quickly (quickly, swiftly)

(indeclinable)

Can also be an adjective. Here adverbial.

तत्र (tatra) - there (in that place) (there, then, in that place)

(indeclinable)

Derived from tad (that) with suffix -tra.

शाम्बरिकः (śāmbarikaḥ) - the magician (śāmbarika) (the magician, the illusionist)

(noun)

Nominative, masculine, singular of śāmbarika

śāmbarika - magician, illusionist, conjurer

derived from Śambara (a demon known for illusion)

Note: Subject of jagāma.

क्षणात् (kṣaṇāt) - in an instant (from a moment, in a moment, instantly)

(noun)

Ablative, masculine, singular of kṣaṇa

kṣaṇa - moment, instant, short time

Note: Adverbial use indicating time.

अथ (atha) - thereupon (then, thereupon, now, next)

(indeclinable)

auspicious particle, marks beginning of new section

इदम् (idam) - this (this, this one)

(pronoun)

Accusative, neuter, singular of idam

idam - this, this one

neuter nominative/accusative singular

ऊचुः (ūcuḥ) - they spoke (they spoke, they said)

(verb)

3rd person , plural, active, perfect (lit) of vac

Perfect Active

Root vac, reduplicated perfect.

Root: vac (class 2)

ते (te) - they (they, those)

(pronoun)

Nominative, masculine, plural of tad

tad - that, those

masculine nominative plural

सभ्याः (sabhyāḥ) - the assembly members (assembly members, courtiers, noblemen)

(noun)

Nominative, masculine, plural of sabhya

sabhya - assembly member, courtier, fitting for an assembly

derived from sabhā (assembly)

विस्मयोत्फुल्ललोचनाः (vismayotphullalocanāḥ) - with eyes wide open in astonishment (having eyes wide open in astonishment, with astonished and wide-open eyes)

(adjective)

Nominative, masculine, plural of vismayotphullalocana

vismayotphullalocana - having eyes wide open in astonishment

vismaya (astonishment) + utphulla (blooming, wide open) + locana (eye)

Compound type : bahuvrīhi (vismaya+utphulla+locana)

• vismaya – astonishment, wonder
  noun (masculine)
  from vi- + √smi (to wonder)
  Prefix: vi
  Root: smi (class 1)
• utphulla – blooming, wide open, expanded
  adjective
  Past Passive Participle
  from ut- + √phull (to bloom)
  Prefix: ut
  Root: phull (class 1)
• locana – eye
  noun (neuter)
  from √loc (to see)
  Root: loc (class 1)

Note: Compound adjective describing the assembly members.