महाभारतः mahābhārataḥ - book-3, chapter-170, verse-59

गन्धर्वनगराकारं हतनागमिव ह्रदम् ।
शुष्कवृक्षमिवारण्यमदृश्यमभवत्पुरम् ॥५९॥

59. gandharvanagarākāraṁ hatanāgamiva hradam ,
śuṣkavṛkṣamivāraṇyamadṛśyamabhavatpuram.

59. gandharvanagarākāram hatanāgam iva hradam
śuṣkavṛkṣam iva araṇyam adṛśyam abhavat puram

59. The city became invisible, like a mirage, like a lake from which its great serpent (nāga) has been removed, or like a forest whose trees are dry.

Words meanings summery:

• गन्धर्वनगराकारम् (gandharvanagarākāram) - having the form/appearance of a city of Gandharvas (a mirage)

• हतनागम् (hatanāgam) - whose nāga (serpent/elephant) is killed/gone

• इव (iva) - like, as

• ह्रदम् (hradam) - lake, deep pool

• शुष्कवृक्षम् (śuṣkavṛkṣam) - having dry trees

• इव (iva) - like, as

• अरण्यम् (araṇyam) - forest, wilderness

• अदृश्यम् (adṛśyam) - unseen, invisible

• अभवत् (abhavat) - it became, it was

• पुरम् (puram) - city, fortress

Words meanings and morphology

गन्धर्वनगराकारम् (gandharvanagarākāram) - having the form/appearance of a city of Gandharvas (a mirage)

(adjective)

Accusative, neuter, singular of gandharvanagarākāra

gandharvanagarākāra - having the appearance of a Gandharva city (an illusory city, mirage)

Compound

Compound type : bahuvrīhi (gandharva+nagara+ākāra)

• gandharva – Gandharva (a celestial musician/spirit)
  proper noun (masculine)
• nagara – city, town
  noun (neuter)
• ākāra – form, shape, appearance
  noun (masculine)

Note: Modifies the implied object of comparison, often grammatically accusative in such similes.

हतनागम् (hatanāgam) - whose nāga (serpent/elephant) is killed/gone

(adjective)

Accusative, masculine, singular of hatanāga

hatanāga - whose elephant or serpent is killed/gone

Compound

Compound type : bahuvrīhi (hata+nāga)

• hata – killed, slain, destroyed
  adjective (masculine)
  Past Passive Participle
  From root han (to strike, kill)
  Root: han (class 2)
• nāga – serpent, snake; elephant
  noun (masculine)

Note: Modifies 'hradam'.

इव (iva) - like, as

(indeclinable)

ह्रदम् (hradam) - lake, deep pool

(noun)

Accusative, masculine, singular of hrada

hrada - lake, deep pool, tank

Note: Object of comparison for 'puram'.

शुष्कवृक्षम् (śuṣkavṛkṣam) - having dry trees

(adjective)

Accusative, neuter, singular of śuṣkavṛkṣa

śuṣkavṛkṣa - having dry trees

Compound

Compound type : bahuvrīhi (śuṣka+vṛkṣa)

• śuṣka – dry, withered
  adjective (masculine)
  Past Passive Participle
  From root śuṣ (to dry, wither)
  Root: śuṣ (class 4)
• vṛkṣa – tree
  noun (masculine)

Note: Modifies 'araṇyam'.

इव (iva) - like, as

(indeclinable)

अरण्यम् (araṇyam) - forest, wilderness

(noun)

Accusative, neuter, singular of araṇya

araṇya - forest, wilderness

Note: Object of comparison for 'puram'.

अदृश्यम् (adṛśyam) - unseen, invisible

(adjective)

Nominative, neuter, singular of adṛśya

adṛśya - unseen, invisible

Gerundive / Future Passive Participle

From a- (not) + root dṛś (to see) + ya (suffix)

Compound type : nañ-tatpuruṣa (a+dṛśya)

• a – not, un-, non-
  indeclinable
• dṛśya – visible, to be seen
  adjective (masculine)
  Gerundive
  From root dṛś (to see) + ya (suffix)
  Root: dṛś (class 1)

Note: Predicative adjective for 'puram'.

अभवत् (abhavat) - it became, it was

(verb)

3rd person , singular, active, imperfect (laṅ) of bhū

Imperfect tense, 3rd person singular

From root bhū (to be)

Root: bhū (class 1)

पुरम् (puram) - city, fortress

(noun)

Nominative, neuter, singular of pura

pura - city, town, fortress

Note: Subject of the sentence.