महाभारतः mahābhārataḥ - book-6, chapter-116, verse-31

विदुस्त्वां निधनं पार्थ सर्वक्षत्रस्य तद्विदः ।
धनुर्धराणामेकस्त्वं पृथिव्यां प्रवरो नृषु ॥३१॥

31. vidustvāṁ nidhanaṁ pārtha sarvakṣatrasya tadvidaḥ ,
dhanurdharāṇāmekastvaṁ pṛthivyāṁ pravaro nṛṣu.

31. viduḥ tvām nidhanam pārtha sarvakṣatrasya tadvidaḥ
dhanurdharāṇām ekaḥ tvam pṛthivyām pravaraḥ nṛṣu

31. pārtha tadvidaḥ tvām sarvakṣatrasya nidhanam viduḥ [ca] tvam pṛthivyām dhanurdharāṇām ekaḥ nṛṣu pravaraḥ [asi].

31. O Partha, those who understand this know you as the destroyer of all warriors (kṣatriya). You are the foremost among archers and the most excellent among men on earth.

Words meanings summery:

• विदुः (viduḥ) - they know

• त्वाम् (tvām) - you

• निधनम् (nidhanam) - destroyer (as a noun, or object of knowledge) (destruction, cause of destruction, death)

• पार्थ (pārtha) - O Arjuna (O son of Pritha)

• सर्वक्षत्रस्य (sarvakṣatrasya) - of all kshatriyas (warriors), of the entire warrior class

• तद्विदः (tadvidaḥ) - those who understand this (the context of war/destruction) (those who know that, experts in that)

• धनुर्धराणाम् (dhanurdharāṇām) - of archers, among bow-wielders

• एकः (ekaḥ) - one, unique, single

• त्वम् (tvam) - you

• पृथिव्याम् (pṛthivyām) - on earth, in the world

• प्रवरः (pravaraḥ) - excellent, chief, foremost

• नृषु (nṛṣu) - among men

Words meanings and morphology

विदुः (viduḥ) - they know

(verb)

3rd person , plural, active, present indicative (laṭ) of vid

Root: vid (class 2)

त्वाम् (tvām) - you

(pronoun)

Accusative, singular of yuṣmad

yuṣmad - you

निधनम् (nidhanam) - destroyer (as a noun, or object of knowledge) (destruction, cause of destruction, death)

(noun)

Accusative, neuter, singular of nidhana

nidhana - destruction, death, annihilation, end

Prefix: ni

Root: dhā (class 3)

पार्थ (pārtha) - O Arjuna (O son of Pritha)

(proper noun)

Vocative, masculine, singular of pārtha

pārtha - son of Pritha (a patronymic for Arjuna and other sons of Pritha/Kunti)

सर्वक्षत्रस्य (sarvakṣatrasya) - of all kshatriyas (warriors), of the entire warrior class

(noun)

Genitive, neuter, singular of sarvakṣatra

sarvakṣatra - all kshatriyas, the entire warrior class

Compound type : karmadharaya (sarva+kṣatra)

• sarva – all, every, whole
  adjective
• kṣatra – warrior, ruling power, warrior class (kṣatriya)
  noun (neuter)

तद्विदः (tadvidaḥ) - those who understand this (the context of war/destruction) (those who know that, experts in that)

(adjective)

Nominative, masculine, plural of tadvid

tadvid - knowing that, conversant with that, expert

Compound type : tatpurusha (tad+vid)

• tad – that
  pronoun (neuter)
• vid – knowing, understanding
  adjective
  derived from root vid (to know)
  Root: vid (class 2)

धनुर्धराणाम् (dhanurdharāṇām) - of archers, among bow-wielders

(noun)

Genitive, masculine, plural of dhanurdhara

dhanurdhara - bow-bearer, archer

Compound type : upapada tatpurusha (dhanus+dhara)

• dhanus – bow
  noun (neuter)
• dhara – bearer, holder
  noun (masculine)
  derived from root dhṛ (to hold, bear)
  Root: dhṛ (class 1)

एकः (ekaḥ) - one, unique, single

(pronoun)

Nominative, masculine, singular of eka

eka - one, single, unique, sole

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

पृथिव्याम् (pṛthivyām) - on earth, in the world

(noun)

Locative, feminine, singular of pṛthivī

pṛthivī - earth, ground

प्रवरः (pravaraḥ) - excellent, chief, foremost

(adjective)

Nominative, masculine, singular of pravara

pravara - chief, principal, excellent, best

Prefix: pra

Root: vṛ (class 1)

नृषु (nṛṣu) - among men

(noun)

Locative, masculine, plural of nṛ

nṛ - man, person, hero