वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-1, chapter-50, verse-14

अचिन्त्यकर्मा तपसा ब्रह्मर्षिरमितप्रभः ।
विश्वामित्रो महातेजा वेत्स्येनं परमां गतिम् ॥१४॥

14. acintyakarmā tapasā brahmarṣiramitaprabhaḥ ,
viśvāmitro mahātejā vetsyenaṃ paramāṃ gatim.

14. acintyakarmā tapasā brahmarṣiḥ amitaprabhaḥ
viśvāmitraḥ mahātejā vetsyati enam paramām gatim

14. brahmarṣiḥ viśvāmitraḥ acintyakarmā amitaprabhaḥ
tapasā mahātejā vetsyati enam paramām gatim

14. The brahmin sage (brahmarṣi) Viśvāmitra, whose actions (karma) are inconceivable, who possesses immeasurable splendor through his asceticism (tapas), and who is exceedingly powerful, will know this one's (Rama's) supreme destiny.

Words meanings summery:

• अचिन्त्यकर्मा (acintyakarmā) - Viśvāmitra, whose actions are beyond comprehension. (whose actions are inconceivable, having inconceivable deeds)

• तपसा (tapasā) - through his rigorous ascetic practices. (by penance, through asceticism)

• ब्रह्मर्षिः (brahmarṣiḥ) - Viśvāmitra, who achieved the status of a brahmin sage. (brahmin sage, divine sage)

• अमितप्रभः (amitaprabhaḥ) - Viśvāmitra, possessing boundless brilliance. (of immeasurable splendor, having endless light)

• विश्वामित्रः (viśvāmitraḥ) - The famous sage Viśvāmitra. (Viśvāmitra (proper name))

• महातेजा (mahātejā) - Viśvāmitra, possessing great power and brilliance. (greatly powerful, highly brilliant, majestic)

• वेत्स्यति (vetsyati) - Viśvāmitra will come to know. (will know, will understand)

• एनम् (enam) - him (referring to Rama in context). (him, this one)

• परमाम् (paramām) - the ultimate or highest destiny. (supreme, highest, ultimate)

• गतिम् (gatim) - the ultimate state or destiny. (movement, path, state, destiny, refuge)

Words meanings and morphology

अचिन्त्यकर्मा (acintyakarmā) - Viśvāmitra, whose actions are beyond comprehension. (whose actions are inconceivable, having inconceivable deeds)

(adjective)

Nominative, masculine, singular of acintyakarmā

acintyakarmā - having inconceivable actions/deeds

Compound type : bahuvrīhi (acintya+karman)

• acintya – inconceivable, unthinkable, incomprehensible
  adjective
  gerundive
  From √cint (to think) with a (negation) and suffix ya.
  Prefix: a
  Root: cint (class 1)
• karman – action, deed, work, ritual, destiny (karma)
  noun (neuter)
  From √kṛ (to do).
  Root: kṛ (class 8)

Note: Refers to Viśvāmitra.

तपसा (tapasā) - through his rigorous ascetic practices. (by penance, through asceticism)

(noun)

Instrumental, neuter, singular of tapas

tapas - penance, asceticism, heat, spiritual fervor (tapas)

From √tap (to heat, to perform penance).

Root: tap (class 1)

ब्रह्मर्षिः (brahmarṣiḥ) - Viśvāmitra, who achieved the status of a brahmin sage. (brahmin sage, divine sage)

(noun)

Nominative, masculine, singular of brahmarṣi

brahmarṣi - a brahmin sage, a sage of divine knowledge (brahmarṣi)

Compound of brahman and ṛṣi.

Compound type : karmadhāraya (brahman+ṛṣi)

• brahman – priest, divine, sacred, the ultimate reality (brahman)
  noun (neuter)
  From √bṛh (to grow, swell).
  Root: bṛh (class 1)
• ṛṣi – sage, seer, inspired poet
  noun (masculine)
  From √ṛṣ (to move, go).
  Root: ṛṣ

अमितप्रभः (amitaprabhaḥ) - Viśvāmitra, possessing boundless brilliance. (of immeasurable splendor, having endless light)

(adjective)

Nominative, masculine, singular of amitaprabha

amitaprabha - having immeasurable splendor/light

Compound of amita and prabhā.

Compound type : bahuvrīhi (amita+prabhā)

• amita – unmeasured, immeasurable, boundless, endless
  adjective
  past passive participle
  From a (negation) + mita (measured), from √mā (to measure).
  Prefix: a
  Root: mā (class 2)
• prabhā – light, splendor, radiance, brilliance
  noun (feminine)
  From pra + √bhā (to shine).
  Prefix: pra
  Root: bhā (class 2)

Note: Refers to Viśvāmitra.

विश्वामित्रः (viśvāmitraḥ) - The famous sage Viśvāmitra. (Viśvāmitra (proper name))

(proper noun)

Nominative, masculine, singular of viśvāmitra

viśvāmitra - friend of all, a proper name of a famous sage

Compound of viśva and mitra.

Compound type : bahuvrīhi (viśva+mitra)

• viśva – all, every, universal
  adjective
• mitra – friend, companion, sun-god
  noun (masculine)

Note: Subject of the sentence.

महातेजा (mahātejā) - Viśvāmitra, possessing great power and brilliance. (greatly powerful, highly brilliant, majestic)

(adjective)

Nominative, masculine, singular of mahātejas

mahātejas - great energy, great splendor, majestic

Compound of mahā and tejas.

Compound type : bahuvrīhi (mahat+tejas)

• mahat – great, large, mighty
  adjective
• tejas – brilliance, splendor, energy, power, semen
  noun (neuter)
  From √tij (to be sharp).
  Root: tij (class 1)

Note: Refers to Viśvāmitra.

वेत्स्यति (vetsyati) - Viśvāmitra will come to know. (will know, will understand)

(verb)

3rd person , singular, active, future (lṛṭ) of vetsyati

future tense

Root √vid (class 2 or class 7). Future stem vetsya-.

Root: vid (class 2)

एनम् (enam) - him (referring to Rama in context). (him, this one)

(pronoun)

Accusative, masculine, singular of etad

etad - this, that

Demonstrative pronoun.

परमाम् (paramām) - the ultimate or highest destiny. (supreme, highest, ultimate)

(adjective)

Accusative, feminine, singular of parama

parama - supreme, highest, ultimate, greatest

Superlative form of para.

Note: Qualifies gatim.

गतिम् (gatim) - the ultimate state or destiny. (movement, path, state, destiny, refuge)

(noun)

Accusative, feminine, singular of gati

gati - going, movement, path, course, state, condition, destiny, refuge

From √gam (to go).

Root: gam (class 1)

Note: Object of vetsyati.