महाभारतः mahābhārataḥ - book-5, chapter-156, verse-13

स्थिरो भूत्वा महाराज सर्वलोकक्षयोदयम् ।
यथाभूतं महायुद्धे श्रुत्वा मा विमना भव ॥१३॥

13. sthiro bhūtvā mahārāja sarvalokakṣayodayam ,
yathābhūtaṁ mahāyuddhe śrutvā mā vimanā bhava.

13. sthiraḥ bhūtvā mahārāja sarvalokakṣayodayam
yathābhūtam mahāyuddhe śrutvā mā vimanā bhava

13. mahārāja sthiraḥ bhūtvā mahāyuddhe sarvalokakṣayodayam
yathābhūtam śrutvā vimanāḥ mā bhava

13. O great king, stabilize yourself, and do not be disheartened after hearing a true account of the great war, which encompasses the destruction and emergence of all beings.

Words meanings summery:

• स्थिरः (sthiraḥ) - steady, firm, stable

• भूत्वा (bhūtvā) - having become, having been

• महाराज (mahārāja) - O great king

• सर्वलोकक्षयोदयम् (sarvalokakṣayodayam) - the destruction and emergence of all worlds/beings

• यथाभूतम् (yathābhūtam) - as it truly happened, truthfully

• महायुद्धे (mahāyuddhe) - in the great battle

• श्रुत्वा (śrutvā) - having heard

• मा (mā) - do not

• विमना (vimanā) - disheartened, distressed, sad

• भव (bhava) - be, become

Words meanings and morphology

स्थिरः (sthiraḥ) - steady, firm, stable

(adjective)

Nominative, masculine, singular of sthira

sthira - stable, firm, steady, constant, immovable

From root sthā (to stand)

Root: sthā (class 1)

भूत्वा (bhūtvā) - having become, having been

(indeclinable)

Absolutive (Gerund)

Absolutive form of the root bhū

Root: bhū (class 1)

महाराज (mahārāja) - O great king

(noun)

Vocative, masculine, singular of mahārāja

mahārāja - great king, emperor

Compound type : karmadhāraya (mahā+rājan)

• mahā – great, large, mighty
  adjective (feminine)
• rājan – king, ruler
  noun (masculine)

सर्वलोकक्षयोदयम् (sarvalokakṣayodayam) - the destruction and emergence of all worlds/beings

(noun)

Accusative, masculine, singular of sarvalokakṣayodaya

sarvalokakṣayodaya - the destruction and emergence of all worlds/beings

Compound type : dvandva-tatpuruṣa (sarva+loka+kṣaya+udaya)

• sarva – all, every, whole
  adjective (masculine)
• loka – world, realm, people, being
  noun (masculine)
• kṣaya – destruction, decay, decline, loss
  noun (masculine)
  from root kṣi
  Root: kṣi (class 5)
• udaya – rise, emergence, prosperity, dawn
  noun (masculine)
  from ud-i
  Prefix: ud
  Root: i (class 2)

Note: Used here in the sense of the entire cycle of cosmic events.

यथाभूतम् (yathābhūtam) - as it truly happened, truthfully

(adjective)

Accusative, neuter, singular of yathābhūta

yathābhūta - as it happened, real, true, in reality

Compound type : karmadhāraya (yathā+bhūta)

• yathā – as, just as, in what manner
  indeclinable
• bhūta – become, happened, past, being
  adjective (neuter)
  Past Passive Participle
  Past Passive Participle of root bhū
  Root: bhū (class 1)

Note: Used adverbially here, modifying 'śrutvā' (having heard truthfully).

महायुद्धे (mahāyuddhe) - in the great battle

(noun)

Locative, neuter, singular of mahāyuddha

mahāyuddha - great battle, great war

Compound type : karmadhāraya (mahā+yuddha)

• mahā – great, large, mighty
  adjective (feminine)
• yuddha – battle, fight, war
  noun (neuter)
  Root: yudh (class 4)

श्रुत्वा (śrutvā) - having heard

(indeclinable)

Absolutive (Gerund)

Absolutive form of the root śru

Root: śru (class 5)

मा (mā) - do not

(indeclinable)

Note: Used with imperative to form a negative command.

विमना (vimanā) - disheartened, distressed, sad

(adjective)

Nominative, masculine, singular of vimanā

vimanā - disheartened, dejected, sad, distracted

Compound type : bahuvrihi (vi+manas)

• vi – apart, asunder, away; negative prefix
  indeclinable
• manas – mind, intellect, heart, disposition
  noun (neuter)

भव (bhava) - be, become

(verb)

2nd person , singular, active, imperative (lot) of bhū

Root: bhū (class 1)