वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-97, verse-4

यमस्मै प्रथमं प्रादादगस्त्यो भगवानृषिः ।
ब्रह्मदत्तं महद्बाणममोघं युधि वीर्यवान् ॥४॥

4. yamasmai prathamaṃ prādādagastyo bhagavānṛṣiḥ ,
brahmadattaṃ mahadbāṇamamoghaṃ yudhi vīryavān.

4. yam asmai prathamam prādāt agastyaḥ bhagavān ṛṣiḥ
brahmadattam mahat bāṇam amogham yudhi vīryavān

4. The revered sage Agastya, valorous in battle, had first given him (Rama) that great, infallible arrow, which was granted by Brahma.

Words meanings summery:

• यम् (yam) - which (arrow) (which, whom, that)

• अस्मै (asmai) - to him (Rama) (to him, for him)

• प्रथमम् (prathamam) - first (first, at first, foremost)

• प्रादात् (prādāt) - gave (gave, bestowed)

• अगस्त्यः (agastyaḥ) - Agastya (Agastya (a famous Vedic sage))

• भगवान् (bhagavān) - revered (revered, divine, glorious, fortunate)

• ऋषिः (ṛṣiḥ) - sage (sage, seer, inspired poet)

• ब्रह्मदत्तम् (brahmadattam) - granted by Brahma (given by Brahma, bestowed by Brahma)

• महत् (mahat) - great (great, large, mighty)

• बाणम् (bāṇam) - arrow

• अमोघम् (amogham) - infallible (infallible, unerring, unfailing, not vain)

• युधि (yudhi) - in battle (in battle, in war)

• वीर्यवान् (vīryavān) - valorous (referring to Agastya) (powerful, valorous, heroic, full of energy)

Words meanings and morphology

यम् (yam) - which (arrow) (which, whom, that)

(pronoun)

Accusative, neuter, singular of yad

yad - which, what, who, that

Note: Refers to 'bāṇam'.

अस्मै (asmai) - to him (Rama) (to him, for him)

(pronoun)

Dative, masculine, singular of idam

idam - this, that, he, she, it

Note: Refers to Rama, the recipient of the arrow.

प्रथमम् (prathamam) - first (first, at first, foremost)

(indeclinable)

Note: Adverbial usage.

प्रादात् (prādāt) - gave (gave, bestowed)

(verb)

3rd person , singular, active, aorist (luṅ) of dā

Aorist

Root dā, class 3 (Juhotyādi), prefixed with pra-.

Prefix: pra

Root: dā (class 3)

Note: Perfective past tense.

अगस्त्यः (agastyaḥ) - Agastya (Agastya (a famous Vedic sage))

(proper noun)

Nominative, masculine, singular of agastya

agastya - Name of a celebrated Vedic seer

Note: Subject of 'prādāt'.

भगवान् (bhagavān) - revered (revered, divine, glorious, fortunate)

(adjective)

Nominative, masculine, singular of bhagavat

bhagavat - possessing fortune, glorious, divine, venerable

Possessive suffix -vat.

Note: Modifies 'ṛṣiḥ'.

ऋषिः (ṛṣiḥ) - sage (sage, seer, inspired poet)

(noun)

Nominative, masculine, singular of ṛṣi

ṛṣi - sage, seer, inspired poet, priest

Note: Appositive to 'Agastyaḥ'.

ब्रह्मदत्तम् (brahmadattam) - granted by Brahma (given by Brahma, bestowed by Brahma)

(adjective)

Accusative, neuter, singular of brahmadatta

brahmadatta - given by Brahma

Compound.

Compound type : tatpuruṣa (brahman+datta)

• brahman – Brahma (the creator deity), universal spirit, sacred knowledge
  proper noun (neuter)
• datta – given, granted, bestowed
  adjective (masculine)
  Past Passive Participle
  From root dā (to give).
  Root: dā (class 3)

Note: Modifies 'bāṇam'.

महत् (mahat) - great (great, large, mighty)

(adjective)

Accusative, neuter, singular of mahat

mahat - great, large, mighty, important

Root mah (to be great).

Note: Modifies 'bāṇam'.

बाणम् (bāṇam) - arrow

(noun)

Accusative, neuter, singular of bāṇa

bāṇa - arrow, dart

Note: Object of 'prādāt'. The word bāṇa is typically masculine, but in epic poetry it can sometimes be treated as neuter, especially when accompanied by neuter adjectives.

अमोघम् (amogham) - infallible (infallible, unerring, unfailing, not vain)

(adjective)

Accusative, neuter, singular of amogha

amogha - unfailing, unerring, successful, not vain

Negative prefix 'a-' + mogha (vain, useless).

Compound type : nañ-tatpuruṣa (a+mogha)

• a – not, non-
  indeclinable
  Negative prefix.
• mogha – vain, useless, fruitless, empty
  adjective (masculine)
  From root muh (to be bewildered).
  Root: muh

Note: Modifies 'bāṇam'.

युधि (yudhi) - in battle (in battle, in war)

(noun)

Locative, feminine, singular of yudh

yudh - battle, fight, war

From root yudh (to fight).

Root: yudh

Note: Specifies where the action of being valorous takes place.

वीर्यवान् (vīryavān) - valorous (referring to Agastya) (powerful, valorous, heroic, full of energy)

(adjective)

Nominative, masculine, singular of vīryavat

vīryavat - powerful, valorous, strong, heroic, full of energy

Possessive suffix -vat from vīrya (valor, strength).

Note: Modifies `Agastyaḥ`.