महाभारतः mahābhārataḥ - book-7, chapter-65, verse-19

गजस्कन्धगतानां च पुरुषाणां किरीटिना ।
आच्छिद्यन्तोत्तमाङ्गानि भल्लैः संनतपर्वभिः ॥१९॥

19. gajaskandhagatānāṁ ca puruṣāṇāṁ kirīṭinā ,
ācchidyantottamāṅgāni bhallaiḥ saṁnataparvabhiḥ.

19. gajaskandhagatānām ca puruṣāṇām kirīṭinā
ācchidyanta uttamāṅgāni bhallaiḥ sannataparvabhiḥ

19. ca kirīṭinā gajaskandhagatānām puruṣāṇām
sannataparvabhiḥ bhallaiḥ uttamāṅgāni ācchidyanta

19. And the crowned one (Arjuna), using lances with bent shafts, was cutting off the heads (uttamāṅgāni) of the men who were mounted on the shoulders of elephants.

Words meanings summery:

• गजस्कन्धगतानाम् (gajaskandhagatānām) - of those mounted on elephant shoulders

• च (ca) - and

• पुरुषाणाम् (puruṣāṇām) - of men, of persons

• किरीटिना (kirīṭinā) - by Arjuna (by the crowned one)

• आच्छिद्यन्त (ācchidyanta) - were being cut off, were severed

• उत्तमाङ्गानि (uttamāṅgāni) - heads (heads, best limbs, best parts of the body)

• भल्लैः (bhallaiḥ) - by lances, by arrows (with a broad head)

• सन्नतपर्वभिः (sannataparvabhiḥ) - describing the lances (bhallaiḥ) (by those with bent nodes/shafts/joints)

Words meanings and morphology

गजस्कन्धगतानाम् (gajaskandhagatānām) - of those mounted on elephant shoulders

(adjective)

Genitive, masculine, plural of gajaskandhagata

gajaskandhagata - mounted on the shoulder of an elephant

Compound type : tatpuruṣa (gaja+skandha+gata)

• gaja – elephant
  noun (masculine)
• skandha – shoulder, trunk, branch
  noun (masculine)
• gata – gone, arrived, reached, obtained
  participle (masculine)
  Past Passive Participle
  Past Passive Participle of root 'gam' (to go).
  Root: gam (class 1)

च (ca) - and

(indeclinable)

पुरुषाणाम् (puruṣāṇām) - of men, of persons

(noun)

Genitive, masculine, plural of puruṣa

puruṣa - man, person, male, human being, the supreme cosmic person (puruṣa)

किरीटिना (kirīṭinā) - by Arjuna (by the crowned one)

(proper noun)

Instrumental, masculine, singular of kirīṭin

kirīṭin - crowned, wearing a diadem, a king, Arjuna (due to his diadem)

Note: Refers to Arjuna.

आच्छिद्यन्त (ācchidyanta) - were being cut off, were severed

(verb)

3rd person , plural, passive, imperfect (laṅ) of chid

Prefix: ā

Root: chid (class 7)

उत्तमाङ्गानि (uttamāṅgāni) - heads (heads, best limbs, best parts of the body)

(noun)

Nominative, neuter, plural of uttamāṅga

uttamāṅga - the best limb, the head, the principal part

Compound type : karmadhāraya (uttama+aṅga)

• uttama – best, highest, principal
  adjective (masculine)
• aṅga – limb, body part, constituent, division
  noun (neuter)

भल्लैः (bhallaiḥ) - by lances, by arrows (with a broad head)

(noun)

Instrumental, masculine, plural of bhalla

bhalla - a kind of arrow, spear, lance

सन्नतपर्वभिः (sannataparvabhiḥ) - describing the lances (bhallaiḥ) (by those with bent nodes/shafts/joints)

(adjective)

Instrumental, masculine, plural of sannataparvan

sannataparvan - having bent joints/nodes

Compound type : bahuvrīhi (sannata+parvan)

• sannata – bent, bowed, humble
  participle (masculine)
  Past Passive Participle
  Past Passive Participle of root 'nam' (to bow) with upasarga 'sam'.
  Prefix: sam
  Root: nam (class 1)
• parvan – knot, joint, segment, division (often referring to a node in a reed/arrow shaft)
  noun (neuter)