वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-1, chapter-16, verse-4

असंहार्यानुपायज्ञान्दिव्यसंहननान्वितान् ।
सर्वास्त्रगुणसंपन्नानमृतप्राशनानिव ॥४॥

4. asaṃhāryānupāyajñāndivyasaṃhananānvitān ,
sarvāstraguṇasaṃpannānamṛtaprāśanāniva.

4. asaṃhāryān anupāyajñān divyasaṃhananānvitān
sarvāstraguṇasampannān amṛtaprāśanān iva

4. asaṃhāryān anupāyajñān divyasaṃhananānvitān
sarvāstraguṇasampannān amṛtaprāśanān iva

4. They should be unconquerable, skilled in devising unique strategies, endowed with a divine physique, accomplished in the virtues of all weapons, and resembling those who have partaken of nectar.

Words meanings summery:

• असंहार्यान् (asaṁhāryān) - unconquerable, invincible, indestructible

• अनुपायज्ञान् (anupāyajñān) - skilled in devising extraordinary means/strategies, resourceful

• दिव्यसंहननान्वितान् (divyasaṁhananānvitān) - endowed with a divine constitution/physique

• सर्वास्त्रगुणसम्पन्नान् (sarvāstraguṇasampannān) - endowed with all weapon-qualities, skilled in all weapons

• अमृतप्राशनान् (amṛtaprāśanān) - those who have drunk nectar, immortals

• इव (iva) - like, as, as if

Words meanings and morphology

असंहार्यान् (asaṁhāryān) - unconquerable, invincible, indestructible

(adjective)

Accusative, masculine, plural of asaṃhārya

asaṁhārya - unconquerable, not to be subdued, indestructible

Gerundive

Prefix 'a-' (negation) + 'sam-' (intensive) + root '√hṛ' (to take away, destroy) + suffix '-ya' (gerundive)

Compound type : nañ-tatpuruṣa (a+saṃhārya)

• a – not, non-, un-
  indeclinable
  Negative prefix
• saṃhārya – to be destroyed, to be taken away, to be subdued
  adjective (masculine)
  Gerundive
  From prefix sam- + root √hṛ (to take, destroy) + -ya suffix
  Prefix: sam
  Root: √hṛ (class 1)

अनुपायज्ञान् (anupāyajñān) - skilled in devising extraordinary means/strategies, resourceful

(adjective)

Accusative, masculine, plural of anupāyajña

anupāyajña - knowing extraordinary means, resourceful, skilled in unexpected expedients

Compound type : tatpuruṣa (anupāya+jña)

• anupāya – extraordinary means, unfailing expedient, not an expedient
  noun (masculine)
  Prefix 'an-' (negation) + 'upāya' (means, stratagem)
  Prefixes: an+upa
  Root: √i (class 2)
• jña – knowing, acquainted with, skilled in
  adjective (masculine)
  From root √jñā (to know)
  Root: √jñā (class 9)

दिव्यसंहननान्वितान् (divyasaṁhananānvitān) - endowed with a divine constitution/physique

(adjective)

Accusative, masculine, plural of divyasaṃhananānvita

divyasaṁhananānvita - endowed with a divine frame/constitution

Compound type : bahuvrīhi (divya+saṃhanana+anvita)

• divya – divine, celestial, heavenly
  adjective (masculine)
• saṃhanana – constitution, bodily frame, compactness, density
  noun (neuter)
  verbal noun
  From prefix sam- + root √han (to strike, unite) + -ana suffix
  Prefix: sam
  Root: √han (class 2)
• anvita – connected with, endowed with, accompanied by
  adjective (masculine)
  Past Passive Participle
  From prefix anu- + root √i (to go) + -ta suffix
  Prefix: anu
  Root: √i (class 2)

सर्वास्त्रगुणसम्पन्नान् (sarvāstraguṇasampannān) - endowed with all weapon-qualities, skilled in all weapons

(adjective)

Accusative, masculine, plural of sarvāstraguṇasampanna

sarvāstraguṇasampanna - endowed with all excellences of weapons, skilled in all weapons

Compound type : bahuvrīhi (sarva+astra+guṇa+sampanna)

• sarva – all, every, whole
  adjective (masculine)
• astra – weapon (thrown), missile
  noun (neuter)
  Root: √as (class 4)
• guṇa – quality, excellence, virtue, attribute
  noun (masculine)
• sampanna – endowed with, furnished with, accomplished
  adjective (masculine)
  Past Passive Participle
  From prefix sam- + root √pad (to go, to fall) + -na suffix
  Prefix: sam
  Root: √pad (class 4)

अमृतप्राशनान् (amṛtaprāśanān) - those who have drunk nectar, immortals

(noun)

Accusative, masculine, plural of amṛtaprāśana

amṛtaprāśana - one who has drunk nectar, an immortal, deity

Compound type : tatpuruṣa (amṛta+prāśana)

• amṛta – nectar, immortality, imperishable
  noun (neuter)
  Prefix 'a-' (negation) + root '√mṛ' (to die) + -ta suffix
  Prefix: a
  Root: √mṛ (class 6)
• prāśana – drinking, eating, feeding
  noun (neuter)
  verbal noun
  From prefix pra- + root √aś (to eat, consume) + -ana suffix
  Prefix: pra
  Root: √aś (class 9)

इव (iva) - like, as, as if

(indeclinable)