महाभारतः mahābhārataḥ - book-7, chapter-144, verse-20

रात्रिश्च भरतश्रेष्ठ योधानां युद्धशालिनाम् ।
कालरात्रिनिभा ह्यासीद्घोररूपा भयावहा ॥२०॥

20. rātriśca bharataśreṣṭha yodhānāṁ yuddhaśālinām ,
kālarātrinibhā hyāsīdghorarūpā bhayāvahā.

20. rātriḥ ca bharataśreṣṭha yodhānām yuddhaśālinām
kālarātrinibhā hi āsīt ghorarūpā bhayāvahā

20. bharataśreṣṭha ca yodhānām yuddhaśālinām rātriḥ
hi kālarātrinibhā ghorarūpā bhayāvahā āsīt

20. O best of the Bharatas, indeed, that night for the warriors delighting in battle was like the night of cosmic dissolution (kālarātri), dreadful in form and terrifying.

Words meanings summery:

• रात्रिः (rātriḥ) - the night (night)

• च (ca) - and (emphasizing "indeed") (and, also, moreover)

• भरतश्रेष्ठ (bharataśreṣṭha) - O best of the Bharatas (vocative, addressing Dhritarashtra) (O best of Bharatas)

• योधानाम् (yodhānām) - for the warriors (of warriors)

• युद्धशालिनाम् (yuddhaśālinām) - of the warriors delighting in battle (of those delighting in battle, of those excelling in battle)

• कालरात्रिनिभा (kālarātrinibhā) - like the night of cosmic dissolution (kālarātri) (resembling the night of destruction (kālarātri))

• हि (hi) - indeed (indeed, for, because)

• आसीत् (āsīt) - was (was, existed, took place)

• घोररूपा (ghorarūpā) - dreadful in form (dreadful in form, terrible-looking)

• भयावहा (bhayāvahā) - terrifying (terrifying, fear-bringing)

Words meanings and morphology

रात्रिः (rātriḥ) - the night (night)

(noun)

Nominative, feminine, singular of rātri

rātri - night

Note: Subject of the sentence.

च (ca) - and (emphasizing "indeed") (and, also, moreover)

(indeclinable)

Conjunction.

भरतश्रेष्ठ (bharataśreṣṭha) - O best of the Bharatas (vocative, addressing Dhritarashtra) (O best of Bharatas)

(noun)

Vocative, masculine, singular of bharataśreṣṭha

bharataśreṣṭha - best of Bharatas

Compound type : tatpurusha (bharata+śreṣṭha)

• bharata – descendant of Bharata, name of a dynasty
  proper noun (masculine)
  Root: bhṛ (class 3)
• śreṣṭha – best, most excellent
  adjective
  Superlative adjective
  Superlative degree of `praśasya` (excellent).
  Root: praśas

Note: Vocative singular.

योधानाम् (yodhānām) - for the warriors (of warriors)

(noun)

Genitive, masculine, plural of yodha

yodha - warrior, fighter

From root `yudh` (to fight).

Root: yudh (class 4)

Note: Connects with `yuddhaśālinām`.

युद्धशालिनाम् (yuddhaśālinām) - of the warriors delighting in battle (of those delighting in battle, of those excelling in battle)

(adjective)

Genitive, masculine, plural of yuddhaśālin

yuddhaśālin - delighting in battle, excelling in battle

Possessive adjective

Compound of `yuddha` (battle) and `śālin` (possessing, endowed with, characterized by).

Compound type : tatpurusha (yuddha+śālin)

• yuddha – battle, war, fight
  noun (neuter)
  Past Passive Participle
  From root `yudh` (to fight).
  Root: yudh (class 4)
• śālin – possessing, endowed with, characterized by
  suffix
  Noun suffix
  Suffixed to nouns or adjectives to form possessive adjectives.
  Root: śāl (class 1)

Note: Qualifies `yodhānām`.

कालरात्रिनिभा (kālarātrinibhā) - like the night of cosmic dissolution (kālarātri) (resembling the night of destruction (kālarātri))

(adjective)

Nominative, feminine, singular of kālarātrinibhā

kālarātrinibhā - resembling the night of destruction

Compound of `kālarātri` (night of destruction) and `nibhā` (resembling).

Compound type : upamāna-pūrvapada karmadhāraya (kālarātri+nibhā)

• kālarātri – night of time, night of destruction/dissolution (kālarātri)
  noun (feminine)
  Compound of `kāla` (time, death) and `rātri` (night). Refers to the night of universal destruction.
• nibhā – resemblance, likeness, similar
  adjective (feminine)
  From root `bhā` (to shine) with prefix `ni` (down, upon), meaning "resembling" or "appearing like".
  Prefix: ni
  Root: bhā (class 2)

Note: Qualifies `rātriḥ`.

हि (hi) - indeed (indeed, for, because)

(indeclinable)

Particle of affirmation or cause.

आसीत् (āsīt) - was (was, existed, took place)

(verb)

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

Imperfect Active

3rd person singular, Imperfect tense, Active voice of root `as`.

Root: as (class 2)

घोररूपा (ghorarūpā) - dreadful in form (dreadful in form, terrible-looking)

(adjective)

Nominative, feminine, singular of ghorarūpa

ghorarūpa - dreadful in form, terrible-looking

Compound type : karmadhāraya (ghora+rūpa)

• ghora – dreadful, terrible, fearful
  adjective
  Root: ghūr (class 1)
• rūpa – form, shape, appearance
  noun (neuter)
  Root: rūp (class 10)

Note: Qualifies `rātriḥ`.

भयावहा (bhayāvahā) - terrifying (terrifying, fear-bringing)

(adjective)

Nominative, feminine, singular of bhayāvaha

bhayāvaha - terrifying, fear-bringing

Compound of `bhaya` (fear) and `āvaha` (bringing, causing).

Compound type : upapada-tatpurusha (bhaya+āvaha)

• bhaya – fear, dread
  noun (neuter)
  From root `bhī` (to fear).
  Root: bhī (class 3)
• āvaha – bringing, causing, producing
  adjective
  Agent noun/adjective
  From root `vah` (to carry, bring) with prefix `ā`.
  Prefix: ā
  Root: vah (class 1)

Note: Qualifies `rātriḥ`.