वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-39, verse-21

अस्त्रैरस्त्राणि यो हन्याच्छक्रस्यापि महात्मनः ।
सो ऽयमुर्व्यांहतः शेते महार्हशयनोचितः ॥२१॥

21. astrairastrāṇi yo hanyācchakrasyāpi mahātmanaḥ ,
so'yamurvyāṃhataḥ śete mahārhaśayanocitaḥ.

21. astraiḥ astrāṇi yaḥ hanyāt śakrasya api mahātmanaḥ
saḥ ayam urvyām hataḥ śete mahārha-śayana-ucitaḥ

21. yaḥ mahātmanaḥ śakrasya api astraiḥ astrāṇi hanyāt
saḥ ayam mahārha-śayana-ucitaḥ urvyām hataḥ śete

21. This person, who could neutralize the weapons even of the great (mahātman) Indra (Śakra), now lies struck down on the ground, accustomed though he was to luxurious beds.

Words meanings summery:

• अस्त्रैः (astraiḥ) - by weapons, with weapons

• अस्त्राणि (astrāṇi) - weapons

• यः (yaḥ) - who, which

• हन्यात् (hanyāt) - could neutralize (may kill, may destroy, could destroy)

• शक्रस्य (śakrasya) - of Śakra, of Indra

• अपि (api) - also, even

• महात्मनः (mahātmanaḥ) - of the great (modifying Indra) (of the great-souled one, of the noble one)

• सः (saḥ) - this very one (he, that)

• अयम् (ayam) - this, he

• उर्व्याम् (urvyām) - on the earth, on the ground

• हतः (hataḥ) - struck down (struck, killed, wounded)

• शेते (śete) - he lies, he reposes

• महार्ह-शयन-उचितः (mahārha-śayana-ucitaḥ) - accustomed to luxurious beds (accustomed to a very worthy bed, fit for a luxurious bed)

Words meanings and morphology

अस्त्रैः (astraiḥ) - by weapons, with weapons

(noun)

Instrumental, neuter, plural of astra

astra - weapon, missile

From √as (to throw, to cast).

Root: as

अस्त्राणि (astrāṇi) - weapons

(noun)

Accusative, neuter, plural of astra

astra - weapon, missile

From √as (to throw, to cast).

Root: as

यः (yaḥ) - who, which

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

हन्यात् (hanyāt) - could neutralize (may kill, may destroy, could destroy)

(verb)

3rd person , singular, active, optative (liṅ) of han

Optative (Liṅ) 3rd person singular active

From root √han (class 2, hanti). Optative mood suggests potential or capability.

Root: han (class 2)

शक्रस्य (śakrasya) - of Śakra, of Indra

(proper noun)

Genitive, masculine, singular of śakra

śakra - powerful, able; Indra (chief of the devas)

From √śak (to be able).

Root: śak

अपि (api) - also, even

(indeclinable)

महात्मनः (mahātmanaḥ) - of the great (modifying Indra) (of the great-souled one, of the noble one)

(adjective)

Genitive, masculine, singular of mahātman

mahātman - great-souled, noble, illustrious

Bahuvrīhi compound: mahā + ātman (great (ātman)).

Compound type : bahuvrīhi (mahā+ātman)

• mahā – great, large, mighty
  adjective
  Combining form of mahant.
• ātman – self, soul, spirit, essence (ātman)
  noun (masculine)
  From √at (to move, to breathe).
  Root: at

Note: Agrees with 'śakrasya'.

सः (saḥ) - this very one (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Coreferent with 'yaḥ'.

अयम् (ayam) - this, he

(pronoun)

Nominative, masculine, singular of idam

idam - this, he, she, it

Note: Used for emphasis or proximity, 'this very one'.

उर्व्याम् (urvyām) - on the earth, on the ground

(noun)

Locative, feminine, singular of urvī

urvī - earth, ground

From √ṛ (to go, to move).

Root: ṛ

हतः (hataḥ) - struck down (struck, killed, wounded)

(adjective)

Nominative, masculine, singular of hata

hata - struck, killed, wounded, destroyed

Past Passive Participle

From root √han (to strike, to kill).

Root: han (class 2)

शेते (śete) - he lies, he reposes

(verb)

3rd person , singular, middle, present (laṭ) of śī

Present (Laṭ) 3rd person singular middle

From root √śī (class 2, śete).

Root: śī (class 2)

महार्ह-शयन-उचितः (mahārha-śayana-ucitaḥ) - accustomed to luxurious beds (accustomed to a very worthy bed, fit for a luxurious bed)

(adjective)

Nominative, masculine, singular of mahārha-śayana-ucita

mahārha-śayana-ucita - accustomed to a very valuable bed, deserving of a noble couch

Compound: 'mahārha' (very valuable/worthy) + 'śayana' (bed) + 'ucita' (accustomed, fit for).

Compound type : tatpurusha (mahā-arha+śayana+ucita)

• mahā-arha – very valuable, highly esteemed, precious
  adjective
  Karmadhāraya compound: mahā (great) + arha (worthy).
• śayana – lying down, sleeping, a bed, couch
  noun (neuter)
  From √śī (to lie, to sleep).
  Root: śī (class 2)
• ucita – accustomed, proper, suitable, fit
  adjective
  Past Passive Participle
  From √uc (to be accustomed).
  Root: uc

Note: Agrees with 'saḥ ayam'.