वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-1, chapter-50, verse-2

गौतमस्य सुतो ज्येष्ठस्तपसा द्योतितप्रभः ।
रामसंदर्शनादेव परं विस्मयमागतः ॥२॥

2. gautamasya suto jyeṣṭhastapasā dyotitaprabhaḥ ,
rāmasaṃdarśanādeva paraṃ vismayamāgataḥ.

2. gautamasya sutaḥ jyeṣṭhaḥ tapasā dyotitaprabhaḥ
rāmasaṃdarśanāt eva param vismayam āgataḥ

2. gautamasya jyeṣṭhaḥ sutaḥ tapasā dyotitaprabhaḥ
rāmasaṃdarśanāt eva param vismayam āgataḥ

2. Gautama's eldest son, whose brilliance shone forth due to his ascetic practice (tapas), experienced great astonishment simply upon seeing Rama.

Words meanings summery:

• गौतमस्य (gautamasya) - of Gautama

• सुतः (sutaḥ) - son

• ज्येष्ठः (jyeṣṭhaḥ) - eldest; greatest

• तपसा (tapasā) - by asceticism; by penance

• द्योतितप्रभः (dyotitaprabhaḥ) - whose splendor is illuminated; shining brilliantly

• रामसंदर्शनात् (rāmasaṁdarśanāt) - from the sight of Rama; by seeing Rama

• एव (eva) - indeed; only; just

• परम् (param) - great; supreme; ultimate

• विस्मयम् (vismayam) - wonder; astonishment; surprise

• आगतः (āgataḥ) - came; arrived; obtained; experienced

Words meanings and morphology

गौतमस्य (gautamasya) - of Gautama

(proper noun)

Genitive, masculine, singular of gautama

gautama - descendant of Gotama; a proper name

सुतः (sutaḥ) - son

(noun)

Nominative, masculine, singular of suta

suta - son; born

Past Passive Participle

derived from root sū (to give birth)

Root: sū (class 4)

ज्येष्ठः (jyeṣṭhaḥ) - eldest; greatest

(adjective)

Nominative, masculine, singular of jyeṣṭha

jyeṣṭha - eldest; greatest; best

superlative of vṛddha (old/great)

तपसा (tapasā) - by asceticism; by penance

(noun)

Instrumental, neuter, singular of tapas

tapas - asceticism; penance; heat; spiritual fervor

Root: tap (class 1)

द्योतितप्रभः (dyotitaprabhaḥ) - whose splendor is illuminated; shining brilliantly

(adjective)

Nominative, masculine, singular of dyotitaprabha

dyotitaprabha - having shining splendor; radiant; brilliant

Compound type : bahuvrīhi (dyotita+prabha)

• dyotita – illumined; made to shine; caused to appear
  adjective (neuter)
  Past Passive Participle
  from root dyut (to shine) with causative suffix
  Root: dyut (class 1)
• prabha – light; splendor; radiance
  noun (feminine)
  Root: bhā (class 2)

रामसंदर्शनात् (rāmasaṁdarśanāt) - from the sight of Rama; by seeing Rama

(noun)

Ablative, neuter, singular of rāmasaṃdarśana

rāmasaṁdarśana - sight of Rama

Compound type : tatpuruṣa (rāma+saṃdarśana)

• rāma – Rama (proper name); pleasing; black
  proper noun (masculine)
• saṃdarśana – seeing; sight; vision
  noun (neuter)
  from root dṛś with prefix sam
  Prefix: sam
  Root: dṛś (class 1)

एव (eva) - indeed; only; just

(indeclinable)

परम् (param) - great; supreme; ultimate

(adjective)

Accusative, neuter, singular of para

para - other; supreme; highest; excellent

विस्मयम् (vismayam) - wonder; astonishment; surprise

(noun)

Accusative, masculine, singular of vismaya

vismaya - wonder; astonishment; surprise

Prefix: vi

Root: smi (class 1)

आगतः (āgataḥ) - came; arrived; obtained; experienced

(adjective)

Nominative, masculine, singular of āgata

āgata - come; arrived; obtained; happened

Past Passive Participle

from root gam with prefix ā

Prefix: ā

Root: gam (class 1)

Note: Acts as the main predicate, implying 'he experienced'.