महाभारतः mahābhārataḥ - book-7, chapter-15, verse-7

नाकुलिस्तु शतानीको वृषसेनं समभ्ययात् ।
विव्याध चैनं दशभिर्नाराचैर्मर्मभेदिभिः ॥७॥

7. nākulistu śatānīko vṛṣasenaṁ samabhyayāt ,
vivyādha cainaṁ daśabhirnārācairmarmabhedibhiḥ.

7. nākuliḥ tu śatānīkaḥ vṛṣasenaṃ samabhyayāt
vivyādha ca enam daśabhiḥ nārācaiḥ marmabhedibhiḥ

7. tu nākuliḥ śatānīkaḥ vṛṣasenam samabhyayāt ca
enam daśabhiḥ marmabhedibhiḥ nārācaiḥ vivyādha

7. Indeed, Śatānīka, Nakula's son, advanced towards Vṛṣasena and struck him with ten iron arrows that pierced his vital spots.

Words meanings summery:

• नाकुलिः (nākuliḥ) - Refers to Śatānīka. (son of Nakula)

• तु (tu) - but, indeed, on the other hand

• शतानीकः (śatānīkaḥ) - Son of Nakula and Draupadi. (Śatānīka (proper name))

• वृषसेनं (vṛṣasenaṁ) - Refers to the son of Karṇa. (to Vṛṣasena)

• समभ्ययात् (samabhyayāt) - he approached, he advanced

• विव्याध (vivyādha) - he pierced, he struck

• च (ca) - and, also

• एनम् (enam) - Refers to Vṛṣasena. (him, this)

• दशभिः (daśabhiḥ) - with ten

• नाराचैः (nārācaiḥ) - with iron arrows, with steel arrows

• मर्मभेदिभिः (marmabhedibhiḥ) - with vital-spot-piercing, heart-piercing

Words meanings and morphology

नाकुलिः (nākuliḥ) - Refers to Śatānīka. (son of Nakula)

(proper noun)

Nominative, masculine, singular of nākuli

nākuli - son of Nakula (a patronymic)

Derived from Nakula with i suffix indicating progeny.

तु (tu) - but, indeed, on the other hand

(indeclinable)

शतानीकः (śatānīkaḥ) - Son of Nakula and Draupadi. (Śatānīka (proper name))

(proper noun)

Nominative, masculine, singular of śatānīka

śatānīka - Śatānīka (a proper name, lit. 'having a hundred armies')

Compound type : Bahuvrīhi (śata+anīka)

• śata – hundred
  numeral (neuter)
• anīka – army, host, face
  noun (neuter)

वृषसेनं (vṛṣasenaṁ) - Refers to the son of Karṇa. (to Vṛṣasena)

(proper noun)

Accusative, masculine, singular of vṛṣasena

vṛṣasena - Vṛṣasena (a proper name, lit. 'having a bull-like army' or 'heroic army')

Compound type : Bahuvrīhi (vṛṣa+senā)

• vṛṣa – bull, chief, strong
  noun (masculine)
• senā – army, host
  noun (feminine)

समभ्ययात् (samabhyayāt) - he approached, he advanced

(verb)

3rd person , singular, active, past imperfect (laṅ) of sam-abhi-i

imperfect tense

Third person singular imperfect active. Root i (to go) with upasargas sam- and abhi-. Augment a-.

Prefixes: sam+abhi

Root: i (class 2)

विव्याध (vivyādha) - he pierced, he struck

(verb)

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

perfect tense

Third person singular perfect active. Root vyadh.

Root: vyadh (class 4)

च (ca) - and, also

(indeclinable)

एनम् (enam) - Refers to Vṛṣasena. (him, this)

(pronoun)

Accusative, masculine, singular of ena

ena - this, that, him, her, it

दशभिः (daśabhiḥ) - with ten

(numeral)

नाराचैः (nārācaiḥ) - with iron arrows, with steel arrows

(noun)

Instrumental, masculine, plural of nārāca

nārāca - iron arrow, steel arrow

मर्मभेदिभिः (marmabhedibhiḥ) - with vital-spot-piercing, heart-piercing

(adjective)

Instrumental, masculine, plural of marmabhedin

marmabhedin - piercing vital spots, heart-piercing

Compound: marman (vital spot) + bhedin (piercing/breaking).

Compound type : Tatpuruṣa (marman+bhedin)

• marman – vital spot, vulnerable point
  noun (neuter)
• bhedin – piercing, breaking, causing to split
  adjective (masculine)
  agent noun/adjective from root
  Derived from root bhid (to break/split) with suffix -in.
  Root: bhid (class 7)