महाभारतः mahābhārataḥ - book-14, chapter-73, verse-21

स तथा रक्ष्यमाणो वै पार्थेनामिततेजसा ।
धृतवर्मा शरं तीक्ष्णं मुमोच विजये तदा ॥२१॥

21. sa tathā rakṣyamāṇo vai pārthenāmitatejasā ,
dhṛtavarmā śaraṁ tīkṣṇaṁ mumoca vijaye tadā.

21. saḥ tathā rakṣyamāṇaḥ vai pārthena amitatejasā
dhṛtavarmā śaram tīkṣṇam mumoca vijaye tadā

21. saḥ amitatejasā pārthena tathā rakṣyamāṇaḥ vai
dhṛtavarmā tadā vijaye tīkṣṇam śaram mumoca

21. As he was being protected in this manner by Pārtha (Arjuna), of immeasurable energy, Dhṛtavarmā then shot a sharp arrow at Vijaya (Arjuna).

Words meanings summery:

• सः (saḥ) - he (Arjuna) (he, that)

• तथा (tathā) - in this manner (thus, in that manner)

• रक्ष्यमाणः (rakṣyamāṇaḥ) - being protected (being protected, being guarded)

• वै (vai) - indeed (indeed, surely, verily)

• पार्थेन (pārthena) - by Pārtha (Arjuna) (by Pārtha (Arjuna), by the son of Pṛthā)

• अमिततेजसा (amitatejasā) - by one of immeasurable valor (by one of immeasurable brilliance/valor)

• धृतवर्मा (dhṛtavarmā) - Dhṛtavarmā (Dhṛtavarmā (proper name), one whose armor is held/worn)

• शरम् (śaram) - an arrow (arrow)

• तीक्ष्णम् (tīkṣṇam) - sharp (sharp, keen, fierce)

• मुमोच (mumoca) - he discharged (he released, he discharged)

• विजये (vijaye) - at Vijaya (Arjuna) (at Vijaya (Arjuna), in victory)

• तदा (tadā) - then (then, at that time)

Words meanings and morphology

सः (saḥ) - he (Arjuna) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that

Note: Refers to Arjuna, implicitly through 'Vijaya'.

तथा (tathā) - in this manner (thus, in that manner)

(indeclinable)

रक्ष्यमाणः (rakṣyamāṇaḥ) - being protected (being protected, being guarded)

(participle)

Nominative, masculine, singular of rakṣyamāṇa

rakṣyamāṇa - being protected, being guarded

Present Passive Participle

from root rakṣ (to protect) + yamāṇa (passive present participle suffix)

Root: rakṣ (class 1)

वै (vai) - indeed (indeed, surely, verily)

(indeclinable)

Note: Particle for emphasis.

पार्थेन (pārthena) - by Pārtha (Arjuna) (by Pārtha (Arjuna), by the son of Pṛthā)

(proper noun)

Instrumental, masculine, singular of pārtha

pārtha - son of Pṛthā (Kuntī), Arjuna

patronymic from Pṛthā

अमिततेजसा (amitatejasā) - by one of immeasurable valor (by one of immeasurable brilliance/valor)

(adjective)

Instrumental, masculine, singular of amitatejas

amitatejas - of immeasurable brilliance, immense power, great energy/valor

Compound type : bahuvrīhi (amita+tejas)

• amita – immeasurable, unlimited
  participle
  Past Passive Participle
  from 'a' (neg.) + mita (measured), root mā (to measure)
  Root: mā (class 2)
• tejas – brilliance, energy, valor, might
  noun (neuter)
  Root: tij

Note: Agrees with 'Pārthena'.

धृतवर्मा (dhṛtavarmā) - Dhṛtavarmā (Dhṛtavarmā (proper name), one whose armor is held/worn)

(proper noun)

Nominative, masculine, singular of dhṛtavarman

dhṛtavarman - Dhṛtavarmā (proper name)

Compound type : bahuvrīhi (dhṛta+varman)

• dhṛta – held, borne, worn
  participle
  Past Passive Participle
  from root dhṛ (to hold)
  Root: dhṛ (class 1)
• varman – armor, mail
  noun (neuter)
  Root: vṛ

शरम् (śaram) - an arrow (arrow)

(noun)

Accusative, masculine, singular of śara

śara - arrow, reed

Root: śṝ

तीक्ष्णम् (tīkṣṇam) - sharp (sharp, keen, fierce)

(adjective)

Accusative, masculine, singular of tīkṣṇa

tīkṣṇa - sharp, keen, fierce, pungent

Root: tij

Note: Agrees with 'śaram'.

मुमोच (mumoca) - he discharged (he released, he discharged)

(verb)

3rd person , singular, active, past perfect (liṭ) of muc

Perfect

from root muc (to release)

Root: muc (class 6)

विजये (vijaye) - at Vijaya (Arjuna) (at Vijaya (Arjuna), in victory)

(proper noun)

Locative, masculine, singular of vijaya

vijaya - victory, triumph, a name of Arjuna

from vi + root ji (to conquer)

Prefix: vi

Root: ji (class 1)

Note: Locative case used here in the sense of 'towards' or 'at' someone.

तदा (tadā) - then (then, at that time)

(indeclinable)

from tad (that) + dā (suffix indicating time)