महाभारतः mahābhārataḥ - book-6, chapter-45, verse-5

शिरांसि च तदा भीष्मो बाहूंश्चापि सहायुधान् ।
निचकर्त महावेगैर्भल्लैः संनतपर्वभिः ॥५॥

5. śirāṁsi ca tadā bhīṣmo bāhūṁścāpi sahāyudhān ,
nicakarta mahāvegairbhallaiḥ saṁnataparvabhiḥ.

5. śirāṃsi ca tadā bhīṣmaḥ bāhūn ca api saha-āyudhān
nicakartta mahāvegaiḥ bhallaiḥ saṃnataparvabhiḥ

5. tadā bhīṣmaḥ ca api saha-āyudhān śirāṃsi bāhūn ca
mahāvegaiḥ saṃnataparvabhiḥ bhallaiḥ nicakartta

5. Then, Bhīṣma, using immensely swift arrows (bhalla) with well-bent shafts, cut off heads and arms, along with their weapons.

Words meanings summery:

• शिरांसि (śirāṁsi) - heads

• च (ca) - and

• तदा (tadā) - then, at that time

• भीष्मः (bhīṣmaḥ) - the great warrior Bhīṣma (a proper name) (Bhīṣma)

• बाहून् (bāhūn) - arms

• च (ca) - and

• अपि (api) - also, even

• सह-आयुधान् (saha-āyudhān) - along with their weapons

• निचकर्त्त (nicakartta) - he cut off, he severed

• महावेगैः (mahāvegaiḥ) - with arrows of great speed/force (with great speed, with great force)

• भल्लैः (bhallaiḥ) - with bhalla arrows (a specific type of arrow) (with arrows)

• संनतपर्वभिः (saṁnataparvabhiḥ) - with arrows that have well-formed or well-bent shafts, indicating quality (with bent joints/knots, with well-formed joints)

Words meanings and morphology

शिरांसि (śirāṁsi) - heads

(noun)

Accusative, neuter, plural of śiras

śiras - head, top, peak

च (ca) - and

(indeclinable)

तदा (tadā) - then, at that time

(indeclinable)

भीष्मः (bhīṣmaḥ) - the great warrior Bhīṣma (a proper name) (Bhīṣma)

(proper noun)

Nominative, masculine, singular of bhīṣma

bhīṣma - terrible, formidable; Bhīṣma (a proper name)

बाहून् (bāhūn) - arms

(noun)

Accusative, masculine, plural of bāhu

bāhu - arm, fore-arm

च (ca) - and

(indeclinable)

अपि (api) - also, even

(indeclinable)

सह-आयुधान् (saha-āyudhān) - along with their weapons

(adjective)

Accusative, masculine, plural of sahāyudha

sahāyudha - accompanied by weapons, armed

Compound type : bahuvrīhi (saha+āyudha)

• saha – with, together with
  indeclinable
• āyudha – weapon, implement
  noun (neuter)

निचकर्त्त (nicakartta) - he cut off, he severed

(verb)

3rd person , singular, active, perfect (Lit) of ni-√kṛt

Perfect

root √kṛt (6P) 'to cut' with prefix ni, in perfect tense, 3rd person singular

Prefix: ni

Root: √kṛt (class 6)

महावेगैः (mahāvegaiḥ) - with arrows of great speed/force (with great speed, with great force)

(adjective)

Instrumental, masculine, plural of mahāvega

mahāvega - great speed, great impulse, violent force; very swift, very forceful

Compound type : karmadhāraya (mahant+vega)

• mahant – great, large, mighty
  adjective
• vega – speed, velocity, force, impulse
  noun (masculine)

भल्लैः (bhallaiḥ) - with bhalla arrows (a specific type of arrow) (with arrows)

(noun)

Instrumental, masculine, plural of bhalla

bhalla - an arrow, dart, spear

संनतपर्वभिः (saṁnataparvabhiḥ) - with arrows that have well-formed or well-bent shafts, indicating quality (with bent joints/knots, with well-formed joints)

(adjective)

Instrumental, masculine, plural of saṃnataparvan

saṁnataparvan - having bent joints/knots (describing arrows with well-formed shafts)

Compound type : bahuvrīhi (saṃnata+parvan)

• saṃnata – bent, bowed, humbled; well-formed, well-fitted
  adjective
  Past Passive Participle
  formed from root √nam (1P) 'to bend' with prefix sam + -ta suffix
  Prefix: sam
  Root: √nam (class 1)
• parvan – joint, knot, limb, segment
  noun (neuter)