महाभारतः mahābhārataḥ - book-13, chapter-127, verse-27

संवृताभ्यां तु नेत्राभ्यां तमोभूतमचेतनम् ।
निर्होमं निर्वषट्कारं तत्सदः सहसाभवत् ॥२७॥

27. saṁvṛtābhyāṁ tu netrābhyāṁ tamobhūtamacetanam ,
nirhomaṁ nirvaṣaṭkāraṁ tatsadaḥ sahasābhavat.

27. saṃvṛtābhyām tu netrābhyām tamobhūtam acetanam
nirhomam nirvaṣaṭkāram tat sadaḥ sahasā abhavat

27. tu saṃvṛtābhyām netrābhyām tat sadaḥ sahasā
tamobhūtam acetanam nirhomam nirvaṣaṭkāram abhavat

27. But with (Śiva's) two eyes covered, that assembly suddenly became enveloped in darkness and senseless, devoid of both Vedic fire rituals (homa) and the vaṣaṭ-call.

Words meanings summery:

• संवृताभ्याम् (saṁvṛtābhyām) - by the two (eyes) that were covered (by the two covered, by the two enclosed)

• तु (tu) - but (but, indeed, on the other hand)

• नेत्राभ्याम् (netrābhyām) - by the two (Śiva's) eyes (by the two eyes)

• तमोभूतम् (tamobhūtam) - enveloped in darkness (having become darkness, plunged into darkness)

• अचेतनम् (acetanam) - senseless (unconscious, inanimate, senseless)

• निर्होमम् (nirhomam) - devoid of Vedic fire rituals (homa) (without homa, devoid of fire rituals)

• निर्वषट्कारम् (nirvaṣaṭkāram) - without the vaṣaṭ-call (without the vaṣaṭ-call (in a Vedic ritual))

• तत् (tat) - that (assembly) (that)

• सदः (sadaḥ) - the assembly (assembly, hall, place of meeting)

• सहसा (sahasā) - suddenly (suddenly, forcibly, quickly)

• अभवत् (abhavat) - it became (it became, it happened)

Words meanings and morphology

संवृताभ्याम् (saṁvṛtābhyām) - by the two (eyes) that were covered (by the two covered, by the two enclosed)

(participle)

Instrumental, neuter, dual of saṃvṛta

saṁvṛta - covered, enclosed, concealed

past passive participle

From root √vṛ (to cover) with prefix sam.

Prefix: sam

Root: vṛ (class 5)

Note: Refers to the eyes.

तु (tu) - but (but, indeed, on the other hand)

(indeclinable)

Particle.

नेत्राभ्याम् (netrābhyām) - by the two (Śiva's) eyes (by the two eyes)

(noun)

Instrumental, neuter, dual of netra

netra - eye

From root √nī (to lead).

Root: nī (class 1)

Note: Specifies what was covered.

तमोभूतम् (tamobhūtam) - enveloped in darkness (having become darkness, plunged into darkness)

(adjective)

Nominative, neuter, singular of tamobhūta

tamobhūta - become dark, enveloped in darkness

Compound of tamas (darkness) and bhūta (become, past participle of √bhū).

Compound type : karmadhāraya (tamas+bhūta)

• tamas – darkness, gloom
  noun (neuter)
• bhūta – become, been, an entity
  participle (neuter)
  past passive participle
  From root √bhū (to be, become).
  Root: bhū (class 1)

Note: Predicative adjective for sadaḥ.

अचेतनम् (acetanam) - senseless (unconscious, inanimate, senseless)

(adjective)

Nominative, neuter, singular of acetana

acetana - unconscious, inanimate, senseless, unintelligent

Negative compound (na + cetana).

Compound type : nañ-tatpuruṣa (a+cetana)

• a – not, un-
  indeclinable
  Negative particle.
• cetana – conscious, animate, sentient
  adjective (masculine)
  From root √cit (to perceive, observe).
  Root: cit (class 1)

Note: Predicative adjective for sadaḥ.

निर्होमम् (nirhomam) - devoid of Vedic fire rituals (homa) (without homa, devoid of fire rituals)

(adjective)

Nominative, neuter, singular of nirhoma

nirhoma - without oblation/fire ritual, without (Vedic fire ritual) homa

Compound of nir (without) and homa (oblation).

Compound type : bahuvrīhi (nis+homa)

• nis – out, forth, without
  prefix/indeclinable
  Prepositional prefix.
• homa – oblation, Vedic fire ritual
  noun (masculine)
  From root √hu (to offer an oblation).
  Root: hu (class 3)

Note: Predicative adjective for sadaḥ.

निर्वषट्कारम् (nirvaṣaṭkāram) - without the vaṣaṭ-call (without the vaṣaṭ-call (in a Vedic ritual))

(adjective)

Nominative, neuter, singular of nirvaṣaṭkāra

nirvaṣaṭkāra - without the exclamation "vaṣaṭ", without the vaṣaṭ-call

Compound of nir (without) and vaṣaṭkāra (the vaṣaṭ-call).

Compound type : bahuvrīhi (nis+vaṣaṭkāra)

• nis – out, forth, without
  prefix/indeclinable
  Prepositional prefix.
• vaṣaṭkāra – the exclamation "vaṣaṭ" made at the end of an oblation
  noun (masculine)
  From vaṣaṭ (indeclinable exclamation) and kāra (making, doing).
  Root: kṛ (class 8)

Note: Predicative adjective for sadaḥ.

तत् (tat) - that (assembly) (that)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

Demonstrative pronoun.

Note: Functions as a demonstrative adjective for sadaḥ.

सदः (sadaḥ) - the assembly (assembly, hall, place of meeting)

(noun)

Nominative, neuter, singular of sadas

sadas - seat, assembly, hall, sacrificial hall

From root √sad (to sit).

Root: sad (class 1)

Note: Subject of abhavat.

सहसा (sahasā) - suddenly (suddenly, forcibly, quickly)

(indeclinable)

Adverbial instrumental of sahas (force).

अभवत् (abhavat) - it became (it became, it happened)

(verb)

3rd person , singular, active, past imperfect (laṅ) of bhū

imperfect 3rd singular

Root √bhū (class 1). Imperfect form.

Root: bhū (class 1)

Note: Subject is tat sadaḥ.