महाभारतः mahābhārataḥ - book-7, chapter-141, verse-42

तौ सायकैरवच्छन्नावदृश्येतां रणाजिरे ।
मेघजालसमाच्छन्नौ नभसीवेन्दुभास्करौ ॥४२॥

42. tau sāyakairavacchannāvadṛśyetāṁ raṇājire ,
meghajālasamācchannau nabhasīvendubhāskarau.

42. tau sāyakaiḥ avacchannau adṛśyetām raṇājire
meghajālasamācchannau nabhasi iva indubhāskarau

42. sāyakaiḥ avacchannau tau raṇājire adṛśyetām.
meghajalasamācchannau nabhasi iva indubhāskarau (adṛśyetām).

42. Those two, covered with arrows, appeared on the battlefield, just like the moon and the sun covered by a network of clouds in the sky.

Words meanings summery:

• तौ (tau) - Bhimasena and Duryodhana (those two)

• सायकैः (sāyakaiḥ) - with arrows

• अवच्छन्नौ (avacchannau) - covered, veiled, concealed

• अदृश्येताम् (adṛśyetām) - were seen, appeared

• रणाजिरे (raṇājire) - in the battlefield, in the arena of battle

• मेघजालसमाच्छन्नौ (meghajālasamācchannau) - covered by a network/mass of clouds

• नभसि (nabhasi) - in the sky, in the atmosphere

• इव (iva) - like, as, as if

• इन्दुभास्करौ (indubhāskarau) - the moon and the sun

Words meanings and morphology

तौ (tau) - Bhimasena and Duryodhana (those two)

(pronoun)

Nominative, masculine, dual of tad

tad - that, he, she, it

Note: Subject of 'adṛśyetām'.

सायकैः (sāyakaiḥ) - with arrows

(noun)

Instrumental, masculine, plural of sāyaka

sāyaka - arrow, missile

Derived from root si (to bind, cast) or sad (to go)

Root: si (class 4)

Note: Means by which they were covered.

अवच्छन्नौ (avacchannau) - covered, veiled, concealed

(adjective)

Nominative, masculine, dual of avacchanna

avacchanna - covered, veiled, concealed

Past Passive Participle

Derived from root chad (to cover) with prefix ava

Prefix: ava

Root: chad (class 1)

Note: Qualifies 'tau'.

अदृश्येताम् (adṛśyetām) - were seen, appeared

(verb)

3rd person , dual, middle, past imperfect (laṅ) of dṛś

Imperfect Middle

Derived from root dṛś (class 1) 'to see' in the passive sense (to be seen) or middle voice, with 'a' augment for imperfect

Root: dṛś (class 1)

Note: Can be interpreted as middle voice (they appeared) or passive (they were seen).

रणाजिरे (raṇājire) - in the battlefield, in the arena of battle

(noun)

Locative, neuter, singular of raṇājira

raṇājira - battlefield, arena of battle

Compound type : tatpuruṣa (raṇa+ajira)

• raṇa – battle, war, combat
  noun (masculine)
• ajira – courtyard, arena, open space
  noun (neuter)

Note: Locative case indicating place.

मेघजालसमाच्छन्नौ (meghajālasamācchannau) - covered by a network/mass of clouds

(adjective)

Nominative, masculine, dual of meghajālasamācchanna

meghajālasamācchanna - covered by a network/mass of clouds

Past Passive Participle

Compound adjective, where 'samācchanna' (well-covered) is derived from root chad (to cover) with prefixes sam and ā

Compound type : tatpuruṣa (meghajāla+samācchanna)

• meghajāla – network/mass of clouds
  noun (neuter)
• samācchanna – well-covered, completely covered
  adjective (masculine)
  Past Passive Participle
  Derived from root chad (to cover) with prefixes sam and ā
  Prefixes: sam+ā
  Root: chad (class 1)

Note: Qualifies 'indubhāskarau' (implicitly 'tau' by simile).

नभसि (nabhasi) - in the sky, in the atmosphere

(noun)

Locative, neuter, singular of nabhas

nabhas - sky, atmosphere, cloud

Note: Locative case indicating place.

इव (iva) - like, as, as if

(indeclinable)

Note: Indicates a comparison (simile).

इन्दुभास्करौ (indubhāskarau) - the moon and the sun

(noun)

Nominative, masculine, dual of indubhāskara

indubhāskara - the moon and the sun

Compound type : dvandva (indu+bhāskara)

• indu – moon
  noun (masculine)
• bhāskara – sun, creator of light
  noun (masculine)

Note: A dvandva compound referring to the pair.