महाभारतः mahābhārataḥ - book-7, chapter-101, verse-15

तं द्रोणो द्विपदां श्रेष्ठो नाराचेन समर्पयत् ।
स तस्य कवचं भित्त्वा प्राविशद्धरणीतलम् ॥१५॥

15. taṁ droṇo dvipadāṁ śreṣṭho nārācena samarpayat ,
sa tasya kavacaṁ bhittvā prāviśaddharaṇītalam.

15. tam droṇaḥ dvipadām śreṣṭhaḥ nārācena samarpayat
| saḥ tasya kavacam bhittvā prāviśat dharaṇītalam

15. droṇaḥ dvipadām śreṣṭhaḥ nārācena tam samarpayat
saḥ tasya kavacam bhittvā dharaṇītalam prāviśat

15. Drona, the best among bipeds (men), discharged an arrow at him. That arrow, having pierced his armor, entered the surface of the earth.

Words meanings summery:

• तम् (tam) - him, that

• द्रोणः (droṇaḥ) - Drona

• द्विपदाम् (dvipadām) - of bipeds, of men

• श्रेष्ठः (śreṣṭhaḥ) - best, most excellent

• नाराचेन (nārācena) - with an iron arrow, with an arrow

• समर्पयत् (samarpayat) - discharged, sent, offered

• सः (saḥ) - Referring to the arrow previously discharged. (it, that, he)

• तस्य (tasya) - Referring to the target of Drona's arrow. (his, of him, its, of that)

• कवचम् (kavacam) - armor, shield

• भित्त्वा (bhittvā) - having pierced, having split, having broken

• प्राविशत् (prāviśat) - entered

• धरणीतलम् (dharaṇītalam) - the surface of the earth, the ground

Words meanings and morphology

तम् (tam) - him, that

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

द्रोणः (droṇaḥ) - Drona

(proper noun)

Nominative, masculine, singular of droṇa

droṇa - Drona (name of a preceptor)

द्विपदाम् (dvipadām) - of bipeds, of men

(noun)

Genitive, masculine, plural of dvipada

dvipada - biped, human being

Compound type : karmadhāraya (dvi+pada)

• dvi – two
  numeral
• pada – foot
  noun (masculine)

श्रेष्ठः (śreṣṭhaḥ) - best, most excellent

(adjective)

Nominative, masculine, singular of śreṣṭha

śreṣṭha - best, most excellent, chief

superlative

Superlative degree of 'praśasya' (praise-worthy)

नाराचेन (nārācena) - with an iron arrow, with an arrow

(noun)

Instrumental, masculine, singular of nārāca

nārāca - an iron arrow, a particular kind of arrow

समर्पयत् (samarpayat) - discharged, sent, offered

(verb)

3rd person , singular, active, past imperfect (laṅ) of samarpaya

Causative

Root 'ṛ' (to go, to move) with 'sam' prefix, causative suffix '-aya'.

Prefix: sam

Root: ṛ (class 3)

सः (saḥ) - Referring to the arrow previously discharged. (it, that, he)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

तस्य (tasya) - Referring to the target of Drona's arrow. (his, of him, its, of that)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

कवचम् (kavacam) - armor, shield

(noun)

Accusative, neuter, singular of kavaca

kavaca - armor, cuirass, shield

भित्त्वा (bhittvā) - having pierced, having split, having broken

(indeclinable)

Absolutive (Gerund)

Formed from root 'bhid' with suffix '-tvā'.

Root: bhid (class 7)

प्राविशत् (prāviśat) - entered

(verb)

3rd person , singular, active, past imperfect (laṅ) of pravis

Prefix: pra

Root: viś (class 6)

धरणीतलम् (dharaṇītalam) - the surface of the earth, the ground

(noun)

Accusative, neuter, singular of dharaṇītala

dharaṇītala - the surface of the earth, ground

Compound type : tatpuruṣa (dharaṇī+tala)

• dharaṇī – earth, ground
  noun (feminine)
• tala – surface, plane, flat ground
  noun (neuter)