महाभारतः mahābhārataḥ - book-6, chapter-86, verse-78

तथा मर्मातिगैर्भीष्मो निजघान महारथान् ।
कम्पयन्समरे सेनां पाण्डवानां महाबलः ॥७८॥

78. tathā marmātigairbhīṣmo nijaghāna mahārathān ,
kampayansamare senāṁ pāṇḍavānāṁ mahābalaḥ.

78. tathā marmātigaiḥ bhīṣmaḥ nijaghāna mahārathān
kampayan samare senām pāṇḍavānām mahābalaḥ

78. tathā mahābalaḥ bhīṣmaḥ samare pāṇḍavānām
senām kampayan marmātigaiḥ mahārathān nijaghāna

78. Thus, the greatly powerful Bhishma, shaking the Pandava army in battle, slew the great warriors with arrows that pierced their vital parts.

Words meanings summery:

• तथा (tathā) - thus, in that way, similarly

• मर्मातिगैः (marmātigaiḥ) - by those piercing vital parts (implied: arrows)

• भीष्मः (bhīṣmaḥ) - Bhishma

• निजघान (nijaghāna) - killed, slew, struck down

• महारथान् (mahārathān) - great charioteers, great warriors

• कम्पयन् (kampayan) - causing to tremble, shaking, agitating

• समरे (samare) - in battle, on the battlefield

• सेनाम् (senām) - army, host

• पाण्डवानाम् (pāṇḍavānām) - of the Pandavas

• महाबलः (mahābalaḥ) - mighty, greatly powerful

Words meanings and morphology

तथा (tathā) - thus, in that way, similarly

(indeclinable)

मर्मातिगैः (marmātigaiḥ) - by those piercing vital parts (implied: arrows)

(adjective)

Instrumental, masculine, plural of marmātiga

marmātiga - piercing vital parts, striking vulnerable points

Compound of marman (vital spot) and atiga (going beyond, piercing).

Compound type : tatpuruṣa (marman+atiga)

• marman – vital spot, vulnerable point, joint
  noun (neuter)
• atiga – going beyond, transcending, piercing
  adjective (masculine)
  Derived from root gam (to go) with prefix ati- and 'ḍa' suffix.
  Prefix: ati
  Root: gam (class 1)

भीष्मः (bhīṣmaḥ) - Bhishma

(proper noun)

Nominative, masculine, singular of bhīṣma

bhīṣma - Bhishma (a proper name, the grand-uncle of the Kauravas and Pandavas)

निजघान (nijaghāna) - killed, slew, struck down

(verb)

3rd person , singular, active, perfect (lit) of han

Prefix: ni

Root: han (class 2)

Note: With prefix 'ni'.

महारथान् (mahārathān) - great charioteers, great warriors

(noun)

Accusative, masculine, plural of mahāratha

mahāratha - a great charioteer, a great warrior (one who can fight 10,000 warriors)

Compound type : bahuvrīhi (mahā+ratha)

• mahā – great, large, extensive
  adjective (feminine)
• ratha – chariot; charioteer, warrior (by extension)
  noun (masculine)

कम्पयन् (kampayan) - causing to tremble, shaking, agitating

(adjective)

Nominative, masculine, singular of kampayat

kampayat - causing to tremble, shaking

Present Active Participle (Causal)

Derived from the causal stem of root kamp (to tremble) + śatṛ suffix.

Root: kamp (class 1)

Note: Agrees with Bhishma.

समरे (samare) - in battle, on the battlefield

(noun)

Locative, masculine, singular of samara

samara - battle, war, conflict

सेनाम् (senām) - army, host

(noun)

Accusative, feminine, singular of senā

senā - army, host, forces

Note: Object of 'kampayan'.

पाण्डवानाम् (pāṇḍavānām) - of the Pandavas

(proper noun)

Genitive, masculine, plural of pāṇḍava

pāṇḍava - descendant of Pāṇḍu, the Pandavas

Derived from Pāṇḍu + aṇ suffix.

Note: Indicates possession or relation to the army.

महाबलः (mahābalaḥ) - mighty, greatly powerful

(adjective)

Nominative, masculine, singular of mahābala

mahābala - greatly powerful, mighty, strong

Compound type : bahuvrīhi (mahā+bala)

• mahā – great, large, extensive
  adjective (feminine)
• bala – strength, power, might
  noun (neuter)

Note: Agrees with Bhishma.