महाभारतः mahābhārataḥ - book-1, chapter-181, verse-20

ब्राह्मे पौरंदरे चास्त्रे निष्ठितो गुरुशासनात् ।
स्थितोऽस्म्यद्य रणे जेतुं त्वां वीराविचलो भव ॥२०॥

20. brāhme pauraṁdare cāstre niṣṭhito guruśāsanāt ,
sthito'smyadya raṇe jetuṁ tvāṁ vīrāvicalo bhava.

20. brāhme paurandare ca astre niṣṭhitaḥ guruśāsanāt
sthitaḥ asmi adya raṇe jetuṃ tvāṃ vīra avicalaḥ bhava

20. By the instruction of my preceptor (guru), I am skilled in both the Brahminical (brāhma) and Indric (paurandara) weapons (astra). Today, I stand on this battlefield to conquer you, O hero; be steadfast!

Words meanings summery:

• ब्राह्मे (brāhme) - in the Brahminical, in the divine

• पौरन्दरे (paurandare) - in the Indric, relating to Indra

• च (ca) - and

• अस्त्रे (astre) - in the weapon, in the missile

• निष्ठितः (niṣṭhitaḥ) - accomplished, proficient, skilled

• गुरुशासनात् (guruśāsanāt) - by the command/instruction of the preceptor (guru)

• स्थितः (sthitaḥ) - standing, situated, firm

• अस्मि (asmi) - I am

• अद्य (adya) - today, now

• रणे (raṇe) - in battle, on the battlefield

• जेतुं (jetuṁ) - to conquer, to win

• त्वां (tvāṁ) - you (accusative)

• वीर (vīra) - O hero

• अविचलः (avicalaḥ) - unwavering, steadfast

• भव (bhava) - be, become

Words meanings and morphology

ब्राह्मे (brāhme) - in the Brahminical, in the divine

(adjective)

Locative, neuter, singular of brāhma

brāhma - Brahminical, sacred, relating to Brahma or the Vedas

पौरन्दरे (paurandare) - in the Indric, relating to Indra

(adjective)

Locative, neuter, singular of paurandara

paurandara - Indric, relating to Indra, belonging to Indra

Derived from Purandara (a name for Indra) with aṇ suffix

च (ca) - and

(indeclinable)

अस्त्रे (astre) - in the weapon, in the missile

(noun)

Locative, neuter, singular of astra

astra - weapon, missile (especially one discharged by spells)

निष्ठितः (niṣṭhitaḥ) - accomplished, proficient, skilled

(adjective)

Nominative, masculine, singular of niṣṭhita

niṣṭhita - established, fixed, skilled, proficient

Past Passive Participle

From root sthā (to stand) with prefix ni (down, in)

Prefix: ni

Root: sthā (class 1)

गुरुशासनात् (guruśāsanāt) - by the command/instruction of the preceptor (guru)

(noun)

Ablative, neuter, singular of guruśāsana

guruśāsana - instruction/command of a guru

Compound type : tatpurusha (guru+śāsana)

• guru – preceptor, teacher, revered person
  noun (masculine)
• śāsana – command, instruction, ruling
  noun (neuter)
  From root śās (to command, instruct)
  Root: śās (class 2)

स्थितः (sthitaḥ) - standing, situated, firm

(adjective)

Nominative, masculine, singular of sthita

sthita - standing, situated, existing, firm

Past Passive Participle

From root sthā (to stand)

Root: sthā (class 1)

अस्मि (asmi) - I am

(verb)

1st person , singular, active, present (laṭ) of as

Present active

Present 1st singular active

Root: as (class 2)

अद्य (adya) - today, now

(indeclinable)

रणे (raṇe) - in battle, on the battlefield

(noun)

Locative, masculine, singular of raṇa

raṇa - battle, fight, war

Root: raṇ (class 1)

जेतुं (jetuṁ) - to conquer, to win

(verb)

infinitive of ji

Infinitive

Infinitive form of root ji

Root: ji (class 1)

त्वां (tvāṁ) - you (accusative)

(pronoun)

Accusative, singular of yuṣmad

yuṣmad - you

वीर (vīra) - O hero

(noun)

Vocative, masculine, singular of vīra

vīra - hero, brave man, warrior

अविचलः (avicalaḥ) - unwavering, steadfast

(adjective)

Nominative, masculine, singular of avicala

avicala - unwavering, immovable, steady

From a (not) + vicala (wavering)

Compound type : nañ-tatpurusha (a+vicala)

• a – not, non-
  prefix
• vicala – wavering, agitated, unsteady
  adjective (masculine)
  From root cal (to move) with prefix vi (apart)
  Prefix: vi
  Root: cal (class 1)

भव (bhava) - be, become

(verb)

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

Imperative active

Imperative 2nd singular active

Root: bhū (class 1)