महाभारतः mahābhārataḥ - book-3, chapter-170, verse-8

रमणीयं पुरं चेदं खचरं सुकृतप्रभम् ।
सर्वरत्नैः समुदितं दुर्धर्षममरैरपि ।
सयक्षगन्धर्वगणैः पन्नगासुरराक्षसैः ॥८॥

8. ramaṇīyaṁ puraṁ cedaṁ khacaraṁ sukṛtaprabham ,
sarvaratnaiḥ samuditaṁ durdharṣamamarairapi ,
sayakṣagandharvagaṇaiḥ pannagāsurarākṣasaiḥ.

8. ramaṇīyam puram ca idam khacaram
sukṛtaprabham sarvaratnaiḥ samuditam
durdharṣam amaraiḥ api
sayakṣagandharvagaṇaiḥ pannagāsurarākṣasaiḥ

8. And this delightful aerial city, shining with the glory of virtuous acts, is adorned with all jewels. It is unassailable even by the gods, as well as by hosts of Yakshas, Gandharvas, Pannagas, Asuras, and Rakshasas.

Words meanings summery:

• रमणीयम् (ramaṇīyam) - delightful, beautiful, charming

• पुरम् (puram) - city, fortress

• च (ca) - and, also

• इदम् (idam) - this

• खचरम् (khacaram) - aerial, moving in the sky

• सुकृतप्रभम् (sukṛtaprabham) - shining with good deeds, resplendent with merit

• सर्वरत्नैः (sarvaratnaiḥ) - with all jewels

• समुदितम् (samuditam) - endowed with, furnished with, arisen, united

• दुर्धर्षम् (durdharṣam) - unassailable, unconquerable

• अमरैः (amaraiḥ) - by the gods, by the immortals

• अपि (api) - even, also

• सयक्षगन्धर्वगणैः (sayakṣagandharvagaṇaiḥ) - with hosts of Yakshas and Gandharvas

• पन्नगासुरराक्षसैः (pannagāsurarākṣasaiḥ) - by Pannagas, Asuras, and Rakshasas

Words meanings and morphology

रमणीयम् (ramaṇīyam) - delightful, beautiful, charming

(adjective)

neuter, singular of ramaṇīya

ramaṇīya - delightful, beautiful, charming

Gerundive/Future Passive Participle

derived from √ram (to delight) with -anīya suffix

Root: ram (class 1)

पुरम् (puram) - city, fortress

(noun)

neuter, singular of pura

pura - city, town, fortress

च (ca) - and, also

(indeclinable)

इदम् (idam) - this

(pronoun)

neuter, singular of idam

idam - this, here

neuter singular nominative/accusative of `idam`

खचरम् (khacaram) - aerial, moving in the sky

(adjective)

neuter, singular of khacara

khacara - moving in the sky, aerial

Compound type : tatpuruṣa (kha+cara)

• kha – sky, ether, space
  noun (neuter)
• cara – moving, going
  adjective
  derived from √car (to move)
  Root: car (class 1)

सुकृतप्रभम् (sukṛtaprabham) - shining with good deeds, resplendent with merit

(adjective)

neuter, singular of sukṛtaprabha

sukṛtaprabha - shining with good deeds, having the luster of merit

Compound type : tatpuruṣa (sukṛta+prabha)

• sukṛta – well-done, virtuous deed, merit
  noun (neuter)
  Past Passive Participle
  from su-kṛ + kta
  Prefix: su
  Root: kṛ (class 8)
• prabha – light, splendor, luster
  noun (feminine)

सर्वरत्नैः (sarvaratnaiḥ) - with all jewels

(noun)

Instrumental, neuter, plural of sarvaratna

sarvaratna - all jewels

Compound type : karmadhāraya (sarva+ratna)

• sarva – all, every
  adjective
• ratna – jewel, gem, treasure
  noun (neuter)

समुदितम् (samuditam) - endowed with, furnished with, arisen, united

(adjective)

neuter, singular of samudita

samudita - endowed with, furnished with, arisen, united

Past Passive Participle

from sam-ud-i + kta

Prefixes: sam+ud

Root: i (class 2)

दुर्धर्षम् (durdharṣam) - unassailable, unconquerable

(adjective)

neuter, singular of durdharṣa

durdharṣa - difficult to overcome, unassailable, invincible

Gerundive/Future Passive Participle

from dur-√dhṛṣ (to be bold, attack) with -a suffix

Prefix: dur

Root: dhṛṣ (class 5)

अमरैः (amaraiḥ) - by the gods, by the immortals

(noun)

Instrumental, masculine, plural of amara

amara - immortal, god, deity

अपि (api) - even, also

(indeclinable)

सयक्षगन्धर्वगणैः (sayakṣagandharvagaṇaiḥ) - with hosts of Yakshas and Gandharvas

(adjective)

Instrumental, masculine, plural of sayakṣagandharvagaṇa

sayakṣagandharvagaṇa - accompanied by hosts of Yakshas and Gandharvas

Compound type : bahuvrīhi (sa+yakṣa+gandharva+gaṇa)

• sa – with, accompanied by
  indeclinable
• yakṣa – a class of semi-divine beings
  noun (masculine)
• gandharva – a class of celestial musicians
  noun (masculine)
• gaṇa – multitude, host, troop
  noun (masculine)

Note: Refers to those by whom the city is unassailable

पन्नगासुरराक्षसैः (pannagāsurarākṣasaiḥ) - by Pannagas, Asuras, and Rakshasas

(noun)

Instrumental, masculine, plural of pannagāsurarākṣasa

pannagāsurarākṣasa - Pannagas, Asuras, and Rakshasas

Compound type : dvandva (pannaga+asura+rākṣasa)

• pannaga – snake, serpent
  noun (masculine)
• asura – demon, anti-god
  noun (masculine)
• rākṣasa – demon, evil spirit
  noun (masculine)