महाभारतः mahābhārataḥ - book-12, chapter-87, verse-5

धन्वदुर्गं महीदुर्गं गिरिदुर्गं तथैव च ।
मनुष्यदुर्गमब्दुर्गं वनदुर्गं च तानि षट् ॥५॥

5. dhanvadurgaṁ mahīdurgaṁ giridurgaṁ tathaiva ca ,
manuṣyadurgamabdurgaṁ vanadurgaṁ ca tāni ṣaṭ.

5. dhanvadurgam mahīdurgam giridurgam tathā eva ca
manuṣyadurgam abdurgam vanadurgam ca tāni ṣaṭ

5. dhanvadurgam mahīdurgam giridurgam ca tathā eva
manuṣyadurgam abdurgam vanadurgam ca tāni ṣaṭ

5. A desert fort, a land fort, a mountain fort, and similarly a human fort, a water fort, and a forest fort—these are the six [types].

Words meanings summery:

• धन्वदुर्गम् (dhanvadurgam) - desert fort

• महीदुर्गम् (mahīdurgam) - land fort

• गिरिदुर्गम् (giridurgam) - mountain fort

• तथा (tathā) - similarly, thus

• एव (eva) - indeed, just

• च (ca) - and

• मनुष्यदुर्गम् (manuṣyadurgam) - human fort, fort defended by men

• अब्दुर्गम् (abdurgam) - water fort, island fort

• वनदुर्गम् (vanadurgam) - forest fort

• च (ca) - and

• तानि (tāni) - these, those

• षट् (ṣaṭ) - six

Words meanings and morphology

धन्वदुर्गम् (dhanvadurgam) - desert fort

(noun)

Nominative, neuter, singular of dhanvadurga

dhanvadurga - a desert fort, a fortification in a desert region

Compound type : tatpuruṣa (dhanva+durga)

• dhanva – desert, arid region
  noun (neuter)
• durga – fort, stronghold, difficult to access place
  noun (neuter)
  Prefix: dur
  Root: √durg

Note: Functions as one item in a list of six types of forts.

महीदुर्गम् (mahīdurgam) - land fort

(noun)

Nominative, neuter, singular of mahīdurga

mahīdurga - a land fort, an earth fort, a fortification on land

Compound type : tatpuruṣa (mahī+durga)

• mahī – earth, land
  noun (feminine)
• durga – fort, stronghold, difficult to access place
  noun (neuter)
  Prefix: dur
  Root: √durg

Note: Functions as one item in a list of six types of forts.

गिरिदुर्गम् (giridurgam) - mountain fort

(noun)

Nominative, neuter, singular of giridurga

giridurga - a mountain fort, a hill fort

Compound type : tatpuruṣa (giri+durga)

• giri – mountain, hill
  noun (masculine)
• durga – fort, stronghold, difficult to access place
  noun (neuter)
  Prefix: dur
  Root: √durg

Note: Functions as one item in a list of six types of forts.

तथा (tathā) - similarly, thus

(indeclinable)

एव (eva) - indeed, just

(indeclinable)

च (ca) - and

(indeclinable)

Note: Connects 'giridurgam' to the following list items.

मनुष्यदुर्गम् (manuṣyadurgam) - human fort, fort defended by men

(noun)

Nominative, neuter, singular of manuṣyadurga

manuṣyadurga - a fort defended by men, a human fort

Compound type : tatpuruṣa (manuṣya+durga)

• manuṣya – man, human being
  noun (masculine)
• durga – fort, stronghold, difficult to access place
  noun (neuter)
  Prefix: dur
  Root: √durg

Note: Functions as one item in a list of six types of forts.

अब्दुर्गम् (abdurgam) - water fort, island fort

(noun)

Nominative, neuter, singular of abdurgam

abdurgam - a water fort, an island fort, a fort surrounded by water

Compound type : tatpuruṣa (ap+durga)

• ap – water
  noun (feminine)
• durga – fort, stronghold, difficult to access place
  noun (neuter)
  Prefix: dur
  Root: √durg

Note: Functions as one item in a list of six types of forts.

वनदुर्गम् (vanadurgam) - forest fort

(noun)

Nominative, neuter, singular of vanadurga

vanadurga - a forest fort, a fortification in a forest

Compound type : tatpuruṣa (vana+durga)

• vana – forest, wood
  noun (neuter)
• durga – fort, stronghold, difficult to access place
  noun (neuter)
  Prefix: dur
  Root: √durg

Note: Functions as one item in a list of six types of forts.

च (ca) - and

(indeclinable)

Note: Connects 'abdurgam' and 'vanadurgam'.

तानि (tāni) - these, those

(pronoun)

Nominative, neuter, plural of tad

tad - that, those (demonstrative pronoun)

Note: Refers to the six types of forts mentioned.

षट् (ṣaṭ) - six

(numeral)

Note: Refers to the number of types of forts.