महाभारतः mahābhārataḥ - book-6, chapter-111, verse-30

अप्रधृष्यमनावार्यं सर्वशस्त्रभृतां वरम् ।
द्रोणं प्रति ययौ यत्तः पाञ्चाल्यः सह सोमकैः ॥३०॥

30. apradhṛṣyamanāvāryaṁ sarvaśastrabhṛtāṁ varam ,
droṇaṁ prati yayau yattaḥ pāñcālyaḥ saha somakaiḥ.

30. apradhṛṣyam anāvāryam sarvaśastrabṛtām varam
droṇam prati yayau yattaḥ pāñcālyaḥ saha somakaiḥ

30. yattaḥ pāñcālyaḥ somakaiḥ saha apradhṛṣyam
anāvāryam sarvaśastrabṛtām varam droṇam prati yayau

30. The diligent Pāñcālya, along with the Somakas, advanced towards Droṇa, who was invincible, irresistible, and the foremost among all wielders of weapons.

Words meanings summery:

• अप्रधृष्यम् (apradhṛṣyam) - invincible, unassailable

• अनावार्यम् (anāvāryam) - irresistible, uncheckable

• सर्वशस्त्रबृताम् (sarvaśastrabṛtām) - among all weapon-bearers, of all wielders of weapons

• वरम् (varam) - best, excellent, foremost

• द्रोणम् (droṇam) - Drona

• प्रति (prati) - towards, against

• ययौ (yayau) - went, proceeded, advanced

• यत्तः (yattaḥ) - diligent, prepared, endeavoring

• पाञ्चाल्यः (pāñcālyaḥ) - Dhṛṣṭadyumna, the son of Drupada, king of Pañcāla (Panchalya)

• सह (saha) - with, together with

• सोमकैः (somakaiḥ) - with the Somakas

Words meanings and morphology

अप्रधृष्यम् (apradhṛṣyam) - invincible, unassailable

(adjective)

Accusative, masculine, singular of apradhṛṣya

apradhṛṣya - not to be assailed, invincible, unassailable

Gerundive/Future Passive Participle (negative)

From √dhṛṣ (to be bold, attack) with prefix pra and negative 'a'

Compound type : nañ-tatpurusha (a+pradhṛṣya)

• a – not, un-
  indeclinable
• pradhṛṣya – to be assailed, assailable
  adjective (masculine)
  Gerundive/Future Passive Participle
  From √dhṛṣ (to be bold, attack) with prefix pra
  Prefix: pra
  Root: dhṛṣ (class 5)

Note: Adjective agreeing with "droṇam"

अनावार्यम् (anāvāryam) - irresistible, uncheckable

(adjective)

Accusative, masculine, singular of anāvārya

anāvārya - not to be restrained, irresistible, uncheckable

Gerundive/Future Passive Participle (negative)

From √vṛ (to cover, restrain) with prefix ā and negative 'an'

Compound type : nañ-tatpurusha (an+āvārya)

• an – not, un-
  indeclinable
• āvārya – to be restrained, restrainable
  adjective (masculine)
  Gerundive/Future Passive Participle
  From √vṛ (to cover, restrain) with prefix ā
  Prefix: ā
  Root: vṛ (class 5)

Note: Adjective agreeing with "droṇam"

सर्वशस्त्रबृताम् (sarvaśastrabṛtām) - among all weapon-bearers, of all wielders of weapons

(noun)

Genitive, masculine, plural of sarvaśastrabṛt

sarvaśastrabṛt - wielder of all weapons, all weapon-bearers

Compound type : tatpurusha (sarva+śastrabṛt)

• sarva – all, every
  adjective
• śastrabṛt – weapon-bearer, warrior
  noun (masculine)
  agent noun from √bhṛ (to bear) with śastra
  Root: bhṛ (class 3)

Note: Refers to the class of warriors from whom Droṇa is the best.

वरम् (varam) - best, excellent, foremost

(adjective)

Accusative, masculine, singular of vara

vara - best, excellent, finest, choicest

Note: Adjective agreeing with "droṇam", implies "the best among" (governed by genitive plural "sarvaśastrabṛtām")

द्रोणम् (droṇam) - Drona

(proper noun)

Accusative, masculine, singular of droṇa

droṇa - Drona (name of the teacher of the Pandavas and Kauravas)

Note: Object of the action (implied by "prati" and "yayau")

प्रति (prati) - towards, against

(indeclinable)

Note: Preposition governing "droṇam"

ययौ (yayau) - went, proceeded, advanced

(verb)

3rd person , singular, active, perfect (liṭ) of yā

Perfect tense (Liṭ), third person singular, active voice

Root: yā (class 2)

यत्तः (yattaḥ) - diligent, prepared, endeavoring

(adjective)

Nominative, masculine, singular of yatta

yatta - prepared, diligent, active, striving

Past Passive Participle

From √yat (to strive, endeavor)

Root: yat (class 1)

Note: Adjective agreeing with "pāñcālyaḥ"

पाञ्चाल्यः (pāñcālyaḥ) - Dhṛṣṭadyumna, the son of Drupada, king of Pañcāla (Panchalya)

(proper noun)

Nominative, masculine, singular of pāñcālya

pāñcālya - native of Panchala, son of Panchala king (e.g., Dhṛṣṭadyumna)

Derivative from Pañcāla

Note: Subject of "yayau"

सह (saha) - with, together with

(indeclinable)

Note: Preposition governing "somakaiḥ"

सोमकैः (somakaiḥ) - with the Somakas

(proper noun)

Instrumental, masculine, plural of somaka

somaka - name of a tribe, the Somakas

Note: Refers to the allies or kinsmen of Dhṛṣṭadyumna