वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-5, chapter-2, verse-31

अनेन रूपेण मया न शक्या रक्षसां पुरी ।
प्रवेष्टुं राक्षसैर्गुप्ता क्रूरैर्बलसमन्वितैः ॥३१॥

31. anena rūpeṇa mayā na śakyā rakṣasāṃ purī ,
praveṣṭuṃ rākṣasairguptā krūrairbalasamanvitaiḥ.

31. anena rūpeṇa mayā na śakyā rakṣasām purī
praveṣṭum rākṣasaiḥ guptā krūraiḥ balasamanvitaiḥ

31. anena rūpeṇa mayā rakṣasām purī krūraiḥ
balasamanvitaiḥ rākṣasaiḥ guptā praveṣṭum na śakyā

31. By means of this form, it is not possible for me to enter the city of the rākṣasas, which is guarded by cruel rākṣasas who are endowed with great strength.

Words meanings summery:

• अनेन (anena) - by this, with this

• रूपेण (rūpeṇa) - by form, by appearance

• मया (mayā) - by me

• न (na) - not

• शक्या (śakyā) - possible, capable (feminine)

• रक्षसाम् (rakṣasām) - of the rākṣasas

• पुरी (purī) - Lanka city (city, town)

• प्रवेष्टुम् (praveṣṭum) - to enter

• राक्षसैः (rākṣasaiḥ) - by rākṣasas

• गुप्ता (guptā) - guarded, protected (feminine)

• क्रूरैः (krūraiḥ) - by cruel ones

• बलसमन्वितैः (balasamanvitaiḥ) - by those endowed with strength

Words meanings and morphology

अनेन (anena) - by this, with this

(pronoun)

Instrumental, masculine, singular of etad

etad - this, that (near)

रूपेण (rūpeṇa) - by form, by appearance

(noun)

Instrumental, neuter, singular of rūpa

rūpa - form, shape, appearance, beauty

मया (mayā) - by me

(pronoun)

Instrumental, singular of aham

aham - I

न (na) - not

(indeclinable)

शक्या (śakyā) - possible, capable (feminine)

(adjective)

Nominative, feminine, singular of śakya

śakya - possible, practicable, capable, fit for

gerundive

Root: śak (class 5)

रक्षसाम् (rakṣasām) - of the rākṣasas

(noun)

Genitive, masculine, plural of rakṣas

rakṣas - a rākṣasa, demon, evil spirit

Root: rakṣ (class 1)

पुरी (purī) - Lanka city (city, town)

(noun)

Nominative, feminine, singular of purī

purī - city, town, stronghold

प्रवेष्टुम् (praveṣṭum) - to enter

(indeclinable)

infinitive

Prefix: pra

Root: viś (class 6)

राक्षसैः (rākṣasaiḥ) - by rākṣasas

(noun)

Instrumental, masculine, plural of rākṣasa

rākṣasa - rākṣasa, demon

गुप्ता (guptā) - guarded, protected (feminine)

(adjective)

Nominative, feminine, singular of gupta

gupta - guarded, protected, hidden

past passive participle

Root: gup (class 1)

क्रूरैः (krūraiḥ) - by cruel ones

(adjective)

Instrumental, masculine, plural of krūra

krūra - cruel, fierce, harsh, dreadful

बलसमन्वितैः (balasamanvitaiḥ) - by those endowed with strength

(adjective)

Instrumental, masculine, plural of balasamanvita

balasamanvita - endowed with strength, strong

Compound type : tatpuruṣa (bala+samanvita)

• bala – strength, power, force
  noun (neuter)
• samanvita – accompanied, endowed with, possessed of
  adjective (masculine)
  past passive participle
  Prefixes: sam+anu
  Root: i (class 2)