महाभारतः mahābhārataḥ - book-7, chapter-106, verse-45

तत्र भारत भीमं तु दृष्टवन्तः स्म सायकैः ।
समाचिततनुं संख्ये श्वाविधं शललैरिव ॥४५॥

45. tatra bhārata bhīmaṁ tu dṛṣṭavantaḥ sma sāyakaiḥ ,
samācitatanuṁ saṁkhye śvāvidhaṁ śalalairiva.

45. तत्र भारत भीमम् तु दृष्टवन्तः स्म सायकैः
समाचिततनुम् संख्ये श्वाविधम् शललैः इव

45. भारत,
तत्र संख्ये भीमम् तु सायकैः समाचिततनुम् शललैः श्वाविधम् इव दृष्टवन्तः स्म

45. O descendant of Bharata, in that battle, we saw Bhima—his body completely covered with arrows, just like a porcupine bristling with its quills.

Words meanings summery:

• तत्र (तत्र) - in that situation (of battle) (there, in that place, then, in that case)

• भारत (भारत) - referring to Dhritarashtra (O descendant of Bharata)

• भीमम् (भीमम्) - Bhima

• तु (तु) - but, indeed, however

• दृष्टवन्तः (दृष्टवन्तः) - we (Dhritarashtra and Sanjaya through Sanjaya's divine vision) (having seen, those who saw)

• स्म (स्म) - we saw (past action) (an emphatic particle, used with present tense to indicate past action)

• सायकैः (सायकैः) - with arrows

• समाचिततनुम् (समाचिततनुम्) - Bhima's body covered with arrows (whose body was completely covered, body entirely filled/covered)

• संख्ये (संख्ये) - in battle, in war

• श्वाविधम् (श्वाविधम्) - a porcupine

• शललैः (शललैः) - with quills, with darts

• इव (इव) - like, as, as if

Words meanings and morphology

तत्र (तत्र) - in that situation (of battle) (there, in that place, then, in that case)

(indeclinable)

भारत (भारत) - referring to Dhritarashtra (O descendant of Bharata)

(noun)

Vocative, masculine, singular of भारत

भारत - descendant of Bharata, relating to Bharata

भीमम् (भीमम्) - Bhima

(proper noun)

Accusative, masculine, singular of भीम

भीम - Bhima (proper name), terrible, formidable

Root: भी (class 3)

तु (तु) - but, indeed, however

(indeclinable)

दृष्टवन्तः (दृष्टवन्तः) - we (Dhritarashtra and Sanjaya through Sanjaya's divine vision) (having seen, those who saw)

(participle)

Nominative, masculine, plural of दृष्टवत्

दृष्टवत् - having seen

Past Active Participle

Derived from root √dṛś (to see) with suffix -tavat

Root: दृश् (class 1)

स्म (स्म) - we saw (past action) (an emphatic particle, used with present tense to indicate past action)

(indeclinable)

सायकैः (सायकैः) - with arrows

(noun)

Instrumental, masculine, plural of सायक

सायक - arrow

from root √si (to bind, send)

Root: सि (class 4)

समाचिततनुम् (समाचिततनुम्) - Bhima's body covered with arrows (whose body was completely covered, body entirely filled/covered)

(adjective)

Accusative, masculine, singular of समाचिततनु

समाचिततनु - whose body is completely covered/filled

Compound type : bahuvrīhi (समाचित+तनु)

• समाचित – completely covered, filled, heaped up
  participle (masculine)
  Past Passive Participle
  from root √ci (to collect, heap) with prefixes sam-ā-
  Prefixes: सम्+आ
  Root: चि (class 5)
• तनु – body, form
  noun (feminine)

संख्ये (संख्ये) - in battle, in war

(noun)

Locative, masculine, singular of संख्य

संख्य - battle, war, multitude

Root: ख्या (class 2)

श्वाविधम् (श्वाविधम्) - a porcupine

(noun)

Accusative, masculine, singular of श्वाविध

श्वाविध - porcupine

शललैः (शललैः) - with quills, with darts

(noun)

Instrumental, masculine, plural of शलल

शलल - quill (of a porcupine), dart, arrow

इव (इव) - like, as, as if

(indeclinable)