महाभारतः mahābhārataḥ - book-8, chapter-66, verse-37

साश्वं तु कर्णं सरथं किरीटी समाचिनोद्भारत वत्सदन्तैः ।
प्रच्छादयामास दिशश्च बाणैः सर्वप्रयत्नात्तपनीयपुङ्खैः ॥३७॥

37. sāśvaṁ tu karṇaṁ sarathaṁ kirīṭī; samācinodbhārata vatsadantaiḥ ,
pracchādayāmāsa diśaśca bāṇaiḥ; sarvaprayatnāttapanīyapuṅkhaiḥ.

37. sa-aśvam tu karṇam saratham kirīṭī
samācinot bhārata vatsadantaiḥ
praṣchādayāmāsa diśaḥ ca bāṇaiḥ
sarvaprayatnāt tapanīyapuṅkhaiḥ

37. kirīṭī tu bhārata sa-aśvam saratham
karṇam vatsadantaiḥ samācinot
ca sarvaprayatnāt tapanīyapuṅkhaiḥ
bāṇaiḥ diśaḥ praṣchādayāmāsa

37. Arjuna (kirīṭī), O Bhārata, indeed showered Karṇa, along with his horses and chariot, with calf-tooth arrows. He also, with all his effort, completely covered the directions with arrows that had golden shafts.

Words meanings summery:

• स-अश्वम् (sa-aśvam) - with horses, along with horses

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

• कर्णम् (karṇam) - The warrior Karṇa (Karna)

• सरथम् (saratham) - with a chariot, along with a chariot

• किरीटी (kirīṭī) - Arjuna, who wears a diadem (crowned, wearing a diadem; an epithet of Arjuna)

• समाचिनोत् (samācinot) - showered upon, covered with (covered, piled up, heaped upon, filled)

• भारत (bhārata) - Address to King Dhritarashtra (O descendant of Bharata, O Bharata)

• वत्सदन्तैः (vatsadantaiḥ) - with calf-tooth arrows (a specific type of arrow)

• प्रष्छादयामास (praṣchādayāmāsa) - covered completely, enveloped

• दिशः (diśaḥ) - the cardinal and intermediate directions (directions, quarters)

• च (ca) - and (and, also)

• बाणैः (bāṇaiḥ) - with arrows

• सर्वप्रयत्नात् (sarvaprayatnāt) - with all effort, with utmost exertion

• तपनीयपुङ्खैः (tapanīyapuṅkhaiḥ) - referring to arrows with golden shafts/feathers (with golden-feathered, with shafts of gold)

Words meanings and morphology

स-अश्वम् (sa-aśvam) - with horses, along with horses

(adjective)

Accusative, masculine, singular of sa-aśva

sa-aśva - with horses

Compound formed with `sa` (with) and `aśva` (horse).

Compound type : bahuvrīhi (sa+aśva)

• sa – with, together with
  indeclinable
• aśva – horse
  noun (masculine)

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

(indeclinable)

कर्णम् (karṇam) - The warrior Karṇa (Karna)

(proper noun)

Accusative, masculine, singular of karṇa

karṇa - ear; the name of a famous warrior in the Mahabharata

सरथम् (saratham) - with a chariot, along with a chariot

(adjective)

Accusative, masculine, singular of saratha

saratha - with a chariot

Compound formed with `sa` (with) and `ratha` (chariot).

Compound type : bahuvrīhi (sa+ratha)

• sa – with, together with
  indeclinable
• ratha – chariot
  noun (masculine)

किरीटी (kirīṭī) - Arjuna, who wears a diadem (crowned, wearing a diadem; an epithet of Arjuna)

(proper noun)

Nominative, masculine, singular of kirīṭin

kirīṭin - crowned, wearing a diadem; an epithet for Arjuna

Derived from `kirīṭa` (diadem) with the possessive suffix `in`.

समाचिनोत् (samācinot) - showered upon, covered with (covered, piled up, heaped upon, filled)

(verb)

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

Imperfect third person singular active

Formed from root `ci` (class 5) with prefix `sam-ā`.

Prefixes: sam+ā

Root: ci (class 5)

भारत (bhārata) - Address to King Dhritarashtra (O descendant of Bharata, O Bharata)

(proper noun)

Vocative, masculine, singular of bhārata

bhārata - a descendant of Bharata; a name of India

Vocative singular of `bhārata`.

वत्सदन्तैः (vatsadantaiḥ) - with calf-tooth arrows (a specific type of arrow)

(noun)

Instrumental, masculine, plural of vatsadanta

vatsadanta - calf's tooth; a type of arrow shaped like a calf's tooth

Compound type : tatpuruṣa (vatsa+danta)

• vatsa – calf
  noun (masculine)
• danta – tooth
  noun (masculine)

Note: Refers to arrows shaped like calf's teeth.

प्रष्छादयामास (praṣchādayāmāsa) - covered completely, enveloped

(verb)

3rd person , singular, active, past perfect (lit) of pra-ṣchād

Perfect third person singular active

Intensive (causative) form of √chad with prefix `pra`. `Āmasa` ending is characteristic of the periphrastic perfect.

Prefix: pra

Root: chad (class 10)

दिशः (diśaḥ) - the cardinal and intermediate directions (directions, quarters)

(noun)

Accusative, feminine, plural of diś

diś - direction, quarter of the sky

च (ca) - and (and, also)

(indeclinable)

बाणैः (bāṇaiḥ) - with arrows

(noun)

Instrumental, masculine, plural of bāṇa

bāṇa - arrow

सर्वप्रयत्नात् (sarvaprayatnāt) - with all effort, with utmost exertion

(noun)

Ablative, masculine, singular of sarvaprayatna

sarvaprayatna - all effort, utmost exertion

Compound type : karmadhāraya (sarva+prayatna)

• sarva – all, every
  pronoun (masculine)
• prayatna – effort, exertion, endeavor
  noun (masculine)
  Prefix: pra

Note: The ablative case here implies "with" or "by means of" (effort).

तपनीयपुङ्खैः (tapanīyapuṅkhaiḥ) - referring to arrows with golden shafts/feathers (with golden-feathered, with shafts of gold)

(adjective)

Instrumental, masculine, plural of tapanīyapuṅkha

tapanīyapuṅkha - having golden shafts/feathers (of arrows)

Compound meaning "whose feathers/shafts are golden".

Compound type : bahuvrīhi (tapanīya+puṅkha)

• tapanīya – golden, made of gold
  adjective (neuter)
  Gerundive
  Derived from root `tap` (to heat, to shine) with suffix `anīya`.
  Root: tap (class 1)
• puṅkha – feather (of an arrow), shaft (of an arrow)
  noun (masculine)

Note: Qualifies `bāṇaiḥ`.