महाभारतः mahābhārataḥ - book-9, chapter-13, verse-22

तयोरासीन्महाराज बाणवर्षं सुदारुणम् ।
जीमूतानां यथा वृष्टिस्तपान्ते भरतर्षभ ॥२२॥

22. tayorāsīnmahārāja bāṇavarṣaṁ sudāruṇam ,
jīmūtānāṁ yathā vṛṣṭistapānte bharatarṣabha.

22. tayoḥ āsīt mahārāja bāṇavarṣam su-dāruṇam
jīmūtānām yathā vṛṣṭiḥ tapānte bharatarṣabha

22. mahārāja bharatarṣabha tayoḥ su-dāruṇam
bāṇavarṣam āsīt yathā jīmūtānām tapānte vṛṣṭiḥ

22. O great king (mahārāja), O bull among the Bharatas (bharatarṣabha), there was a very dreadful rain of arrows from them both, just like the rainfall from clouds at the end of summer.

Words meanings summery:

• तयोः (tayoḥ) - of them two

• आसीत् (āsīt) - was, existed

• महाराज (mahārāja) - O great king

• बाणवर्षम् (bāṇavarṣam) - shower of arrows

• सु-दारुणम् (su-dāruṇam) - very terrible, exceedingly dreadful

• जीमूतानाम् (jīmūtānām) - of clouds

• यथा (yathā) - just as, like, as

• वृष्टिः (vṛṣṭiḥ) - rain, shower

• तपान्ते (tapānte) - at the end of heat, at the end of summer

• भरतर्षभ (bharatarṣabha) - O bull among Bharatas, O best of Bharatas

Words meanings and morphology

तयोः (tayoḥ) - of them two

(pronoun)

masculine, dual of tad

tad - that, those

Note: Used as genitive here.

आसीत् (āsīt) - was, existed

(verb)

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

Imperfect

Root 'as' (to be). Third person singular.

Root: as (class 2)

महाराज (mahārāja) - O great king

(noun)

Vocative, masculine, singular of mahārāja

mahārāja - great king, emperor

Compound type : karma-dhāraya (mahā+rājan)

• mahā – great
  adjective (feminine)
• rājan – king
  noun (masculine)

बाणवर्षम् (bāṇavarṣam) - shower of arrows

(noun)

Nominative, neuter, singular of bāṇavarṣa

bāṇavarṣa - rain of arrows, shower of arrows

Compound type : tatpurusha (bāṇa+varṣa)

• bāṇa – arrow
  noun (masculine)
• varṣa – rain, showering
  noun (neuter)
  Root: vṛṣ (class 1)

सु-दारुणम् (su-dāruṇam) - very terrible, exceedingly dreadful

(adjective)

Nominative, neuter, singular of sudāruṇa

sudāruṇa - very terrible, exceedingly dreadful

Compound type : bahuvrīhi (su+dāruṇa)

• su – good, well, very
  indeclinable
• dāruṇa – dreadful, terrible
  adjective (neuter)

Note: Agrees with bāṇavarṣam.

जीमूतानाम् (jīmūtānām) - of clouds

(noun)

Genitive, masculine, plural of jīmūta

jīmūta - cloud

यथा (yathā) - just as, like, as

(indeclinable)

वृष्टिः (vṛṣṭiḥ) - rain, shower

(noun)

Nominative, feminine, singular of vṛṣṭi

vṛṣṭi - rain, shower

Root: vṛṣ (class 1)

तपान्ते (tapānte) - at the end of heat, at the end of summer

(noun)

Locative, masculine, singular of tapānta

tapānta - end of heat/summer

Compound type : tatpurusha (tapa+anta)

• tapa – heat, summer
  noun (masculine/neuter)
  Root: tap (class 1)
• anta – end
  noun (masculine)

भरतर्षभ (bharatarṣabha) - O bull among Bharatas, O best of Bharatas

(noun)

Vocative, masculine, singular of bharatarṣabha

bharatarṣabha - bull among Bharatas, best of Bharatas

Compound type : tatpurusha (bharata+ṛṣabha)

• bharata – descendant of Bharata (name of an ancient king), a Bharata
  proper noun (masculine)
• ṛṣabha – bull, chief, best
  noun (masculine)