योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-14, verse-15

अविश्रान्तमनापूर्णमापदां परमास्पदम् ।
नीडं रोगविहङ्गानामायुरायासनं दृढम् ॥ १५ ॥

aviśrāntamanāpūrṇamāpadāṃ paramāspadam ,
nīḍaṃ rogavihaṅgānāmāyurāyāsanaṃ dṛḍham 15

15. aviśrāntam anāpūrṇam āpadām paramāspadam
nīḍam rogavihaṅgānām āyuḥ āyāsanam dṛḍham

15. Life (āyus) is unresting, never fully satisfied, the supreme abode of calamities, the nest of disease-birds, and a strong source of torment.

Words meanings summery:

• अविश्रान्तम् (aviśrāntam) - unresting, ceaseless (unresting, unceasing, tireless)

• अनापूर्णम् (anāpūrṇam) - never fully satisfied (not full, unsatisfied, incomplete)

• आपदाम् (āpadām) - of calamities (of calamities, of misfortunes)

• परमास्पदम् (paramāspadam) - the supreme abode (supreme abode, chief seat)

• नीडम् (nīḍam) - the nest (nest, abode, resting place)

• रोगविहङ्गानाम् (rogavihaṅgānām) - of disease-birds (of the disease-birds)

• आयुः (āyuḥ) - life (āyus) (life, life-span, duration of life)

• आयासनम् (āyāsanam) - a torment (torment, weariness, exertion, trouble)

• दृढम् (dṛḍham) - strong (strong, firm, solid, hard)

Words meanings and morphology

अविश्रान्तम् (aviśrāntam) - unresting, ceaseless (unresting, unceasing, tireless)

(adjective)

Nominative, neuter, singular of aviśrānta

aviśrānta - unceasing, unresting, tireless, continuous

Nañ-tatpuruṣa compound: a (not) + viśrānta (rested).

Compound type : Nañ-tatpuruṣa (a+viśrānta)

• a – not, non-
  indeclinable
  Negative prefix.
• viśrānta – rested, ceased, calmed
  adjective
  Past Passive Participle
  Derived from root śram (to be weary) with prefix vi.
  Prefix: vi
  Root: śram (class 4)

Note: Agrees with āyuḥ (implied).

अनापूर्णम् (anāpūrṇam) - never fully satisfied (not full, unsatisfied, incomplete)

(adjective)

Nominative, neuter, singular of anāpūrṇa

anāpūrṇa - not full, incomplete, unsatisfied

Nañ-tatpuruṣa compound: an (not) + āpūrṇa (full).

Compound type : Nañ-tatpuruṣa (an+āpūrṇa)

• an – not, non-
  indeclinable
  Negative prefix used before vowels.
• āpūrṇa – full, complete, filled
  adjective
  Past Passive Participle
  Derived from root pṛ (to fill) with prefix ā.
  Prefix: ā
  Root: pṛ (class 3)

Note: Agrees with āyuḥ (implied).

आपदाम् (āpadām) - of calamities (of calamities, of misfortunes)

(noun)

Genitive, feminine, plural of āpad

āpad - calamity, misfortune, distress, adversity

From prefix ā + root pad (to go, fall).

Prefix: ā

Root: pad (class 4)

Note: Null verb implied (e.g., 'is').

परमास्पदम् (paramāspadam) - the supreme abode (supreme abode, chief seat)

(noun)

Nominative, neuter, singular of paramāspada

paramāspada - supreme seat, chief abode, ultimate place

Karmadhāraya compound: parama (supreme) + āspada (abode).

Compound type : Karmadhāraya (parama+āspada)

• parama – supreme, highest, ultimate, greatest
  adjective
• āspada – place, seat, abode, subject, object
  noun (neuter)
  From prefix ā + root pad (to go, fall).
  Prefix: ā
  Root: pad (class 4)

Note: Agrees with āyuḥ (implied).

नीडम् (nīḍam) - the nest (nest, abode, resting place)

(noun)

Nominative, neuter, singular of nīḍa

nīḍa - nest, abode, resting place, home

Note: Agrees with āyuḥ (implied).

रोगविहङ्गानाम् (rogavihaṅgānām) - of disease-birds (of the disease-birds)

(noun)

Genitive, masculine, plural of rogavihaṅga

rogavihaṅga - disease-bird

Tatpuruṣa compound: roga (disease) + vihaṅga (bird).

Compound type : Ṣaṣṭhī-tatpuruṣa (roga+vihaṅga)

• roga – disease, sickness, illness
  noun (masculine)
  From root ruj (to break, to suffer pain).
  Root: ruj (class 6)
• vihaṅga – bird, fowl, moving in the air
  noun (masculine)
  Compound: vi (apart) + haṅga (goer) from root gam.
  Prefix: vi
  Root: gam (class 1)

Note: Null verb implied (e.g., 'is').

आयुः (āyuḥ) - life (āyus) (life, life-span, duration of life)

(noun)

Nominative, neuter, singular of āyus

āyus - life, life-span, vitality, duration

From root i (to go, move) with prefix ā.

Prefix: ā

Root: i (class 2)

Note: Null verb implied (e.g., 'is').

आयासनम् (āyāsanam) - a torment (torment, weariness, exertion, trouble)

(noun)

Nominative, neuter, singular of āyāsana

āyāsana - fatigue, weariness, exertion, trouble, torment

From prefix ā + root yas (to strive, exert).

Prefix: ā

Root: yas (class 4)

Note: Predicate nominative for āyuḥ.

दृढम् (dṛḍham) - strong (strong, firm, solid, hard)

(adjective)

Nominative, neuter, singular of dṛḍha

dṛḍha - firm, strong, solid, rigid, hard, fixed

Past Passive Participle

Derived from root dṛh (to be firm).

Root: dṛh (class 1)

Note: Agrees with āyāsanam.