महाभारतः mahābhārataḥ - book-1, chapter-13, verse-13

वीरणस्तम्बके लग्नाः सर्वतः परिभक्षिते ।
मूषकेन निगूढेन गर्तेऽस्मिन्नित्यवासिना ॥१३॥

13. vīraṇastambake lagnāḥ sarvataḥ paribhakṣite ,
mūṣakena nigūḍhena garte'sminnityavāsinā.

13. vīraṇastambake lagnāḥ sarvataḥ paribhakṣite
mūṣakeṇa nigūḍhena garte asmin nityavāsinā

13. They were clinging to a clump of Vīraṇa grass, which was being gnawed away on all sides by a hidden mouse, a permanent resident of this pit.

Words meanings summery:

• वीरणस्तम्बके (vīraṇastambake) - to a clump of Vīraṇa grass (implies clinging to it) (on a clump of Vīraṇa grass)

• लग्नाः (lagnāḥ) - clinging (to the grass) (clinging, attached, fixed)

• सर्वतः (sarvataḥ) - on all sides (from all sides, everywhere, completely)

• परिभक्षिते (paribhakṣite) - being gnawed away (devoured, eaten completely)

• मूषकेण (mūṣakeṇa) - by a mouse

• निगूढेन (nigūḍhena) - by a hidden (mouse) (by a hidden, by a concealed)

• गर्ते (garte) - in the pit (in the pit, in the chasm)

• अस्मिन् (asmin) - in this (pit) (in this (masculine, singular, locative))

• नित्यवासिना (nityavāsinā) - by a permanent resident (mouse) (by a constant dweller, by an inhabitant)

Words meanings and morphology

वीरणस्तम्बके (vīraṇastambake) - to a clump of Vīraṇa grass (implies clinging to it) (on a clump of Vīraṇa grass)

(noun)

Locative, masculine, singular of vīraṇastambaka

vīraṇastambaka - a clump of Vīraṇa grass (Andropogon muricatus)

Compound type : tatpuruṣa (vīraṇa+stambaka)

• vīraṇa – Vīraṇa grass (Andropogon muricatus), fragrant grass
  noun (masculine)
• stambaka – clump, cluster, tuft
  noun (masculine)

लग्नाः (lagnāḥ) - clinging (to the grass) (clinging, attached, fixed)

(adjective)

Nominative, masculine, plural of lagna

lagna - clinging, attached, joined, fixed

past participle

from root lag- (to cling, attach)

Root: lag (class 1)

Note: Refers to the ancestors

सर्वतः (sarvataḥ) - on all sides (from all sides, everywhere, completely)

(indeclinable)

adverbial formation from sarva-

परिभक्षिते (paribhakṣite) - being gnawed away (devoured, eaten completely)

(adjective)

Locative, masculine, singular of paribhakṣita

paribhakṣita - devoured, consumed, eaten all around

past passive participle

from root bhakṣ- (to eat)

Prefix: pari

Root: bhakṣ (class 1)

Note: Qualifies vīraṇastambake

मूषकेण (mūṣakeṇa) - by a mouse

(noun)

Instrumental, masculine, singular of mūṣaka

mūṣaka - mouse, rat

निगूढेन (nigūḍhena) - by a hidden (mouse) (by a hidden, by a concealed)

(adjective)

Instrumental, masculine, singular of nigūḍha

nigūḍha - hidden, concealed, secret

past passive participle

from root guh- (to hide) with prefix ni-

Prefix: ni

Root: guh (class 1)

Note: Qualifies mūṣakeṇa

गर्ते (garte) - in the pit (in the pit, in the chasm)

(noun)

Locative, masculine, singular of garta

garta - pit, hole, chasm

अस्मिन् (asmin) - in this (pit) (in this (masculine, singular, locative))

(pronoun)

Locative, masculine, singular of idam

idam - this, this one

नित्यवासिना (nityavāsinā) - by a permanent resident (mouse) (by a constant dweller, by an inhabitant)

(adjective)

Instrumental, masculine, singular of nityavāsin

nityavāsin - constant dweller, permanent resident

agent noun

nitya (constant) + vāsin (dweller, from root vas- to dwell)

Compound type : tatpuruṣa (nitya+vāsin)

• nitya – constant, eternal, always
  adjective
• vāsin – dweller, inhabitant
  adjective (masculine)
  agent noun
  from root vas- (to dwell)
  Root: vas (class 1)

Note: Qualifies mūṣakeṇa