महाभारतः mahābhārataḥ - book-8, chapter-51, verse-27

स चेदिकाशिपाञ्चालान्करूषान्मत्स्यकेकयान् ।
शरैः प्रच्छाद्य निधनमनयत्परुषास्त्रवित् ॥२७॥

27. sa cedikāśipāñcālānkarūṣānmatsyakekayān ,
śaraiḥ pracchādya nidhanamanayatparuṣāstravit.

27. saḥ cedikāśipāñcālān karūṣān matsyakekayān
śaraiḥ pracchādya nidhanam anayat paruṣāstravit

27. saḥ paruṣāstravit śaraiḥ cedikāśipāñcālān
karūṣān matsyakekayān pracchādya nidhanam anayat

27. He (Bhīṣma), skilled in fierce weaponry, overwhelmed the Cedis, Kāśis, Pāñcālas, Karūṣas, Matsyas, and Kekayas with his arrows, leading them to their demise.

Words meanings summery:

• सः (saḥ) - he (Bhīṣma) (he, that)

• चेदिकाशिपाञ्चालान् (cedikāśipāñcālān) - the Cedis, Kāśis, and Pāñcālas

• करूषान् (karūṣān) - the Karūṣas (the Karūṣas (people of Karūṣa country))

• मत्स्यकेकयान् (matsyakekayān) - the Matsyas and Kekayas

• शरैः (śaraiḥ) - with his arrows (with arrows)

• प्रच्छाद्य (pracchādya) - having overwhelmed (having covered, having overwhelmed)

• निधनम् (nidhanam) - to their demise (destruction, death, abode)

• अनयत् (anayat) - leading them (led, brought, guided)

• परुषास्त्रवित् (paruṣāstravit) - skilled in fierce weaponry (knower of harsh weapons, skilled in fierce weapons)

Words meanings and morphology

सः (saḥ) - he (Bhīṣma) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Refers to Bhīṣma from previous verse.

चेदिकाशिपाञ्चालान् (cedikāśipāñcālān) - the Cedis, Kāśis, and Pāñcālas

(proper noun)

Accusative, masculine, plural of cedikāśipāñcāla

cedikāśipāñcāla - the people of Cedis, Kāśis, and Pāñcālas (tribes/kingdoms)

Compound type : dvandva (cedi+kāśi+pāñcāla)

• cedi – Cedi (name of a country and its people)
  proper noun (masculine)
• kāśi – Kāśi (name of a country and its people)
  proper noun (masculine)
• pāñcāla – Pāñcāla (name of a country and its people)
  proper noun (masculine)

करूषान् (karūṣān) - the Karūṣas (the Karūṣas (people of Karūṣa country))

(proper noun)

Accusative, masculine, plural of karūṣa

karūṣa - Karūṣa (name of a country and its people)

मत्स्यकेकयान् (matsyakekayān) - the Matsyas and Kekayas

(proper noun)

Accusative, masculine, plural of matsyakekaya

matsyakekaya - the people of Matsya and Kekaya (tribes/kingdoms)

Compound type : dvandva (matsya+kekaya)

• matsya – Matsya (name of a country and its people)
  proper noun (masculine)
• kekaya – Kekaya (name of a country and its people)
  proper noun (masculine)

शरैः (śaraiḥ) - with his arrows (with arrows)

(noun)

Instrumental, masculine, plural of śara

śara - arrow, reed

प्रच्छाद्य (pracchādya) - having overwhelmed (having covered, having overwhelmed)

(indeclinable participle)

निधनम् (nidhanam) - to their demise (destruction, death, abode)

(noun)

Accusative, neuter, singular of nidhana

nidhana - death, destruction, end, loss

From ni-dhā (to place down, destroy)

Prefix: ni

Root: dhā (class 3)

Note: Object of 'led'

अनयत् (anayat) - leading them (led, brought, guided)

(verb)

3rd person , singular, active, past imperfect (Laṅ) of nī

Imperfect (Laṅ)

Root nī, imperfect form, 3rd person singular, parasmaipada, with augment 'a'

Root: nī (class 1)

परुषास्त्रवित् (paruṣāstravit) - skilled in fierce weaponry (knower of harsh weapons, skilled in fierce weapons)

(adjective)

Nominative, masculine, singular of paruṣāstravit

paruṣāstravit - skilled in cruel or harsh weapons; an expert in destructive missiles

Compound of paruṣa (harsh) and astra-vit (knower of weapons)

Compound type : tatpuruṣa (paruṣa+astra+vit)

• paruṣa – harsh, rough, cruel, fierce
  adjective
• astra – weapon, missile
  noun (neuter)
  Root: as (class 4)
• vit – knowing, conversant with, skilled in
  adjective
  Agent noun
  From root vid (to know)
  Root: vid (class 2)

Note: Qualifies 'saḥ' (Bhīṣma).