योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-7, verse-16

अज्ञानमुत्पत्तिमही नरा विहगकोटयः ।
उपलम्भो बृहत्स्तम्भो दवो निर्वाणनिर्वृतिः ॥ १६ ॥

ajñānamutpattimahī narā vihagakoṭayaḥ ,
upalambho bṛhatstambho davo nirvāṇanirvṛtiḥ 16

16. ajñānam utpattimahī narāḥ vihagakoṭayaḥ
upalambhaḥ bṛhatstambhaḥ davaḥ nirvāṇanirvṛtiḥ

16. ajñānam utpattimahī narāḥ vihagakoṭayaḥ
upalambhaḥ bṛhatstambhaḥ davaḥ nirvāṇanirvṛtiḥ

16. Ignorance is the ground of origin; human beings are millions of birds. Perception is the great trunk, and a forest fire is the tranquility of final liberation (nirvāṇa).

Words meanings summery:

• अज्ञानम् (ajñānam) - ignorance, nescience, non-knowledge

• उत्पत्तिमही (utpattimahī) - the earth/ground of origin, place of arising

• नराः (narāḥ) - men, human beings, persons

• विहगकोटयः (vihagakoṭayaḥ) - millions of birds, flocks of birds

• उपलम्भः (upalambhaḥ) - perception, apprehension, attainment, acquisition

• बृहत्स्तम्भः (bṛhatstambhaḥ) - great trunk, large pillar

• दवः (davaḥ) - forest fire, conflagration

• निर्वाणनिर्वृतिः (nirvāṇanirvṛtiḥ) - the tranquility of final liberation (nirvāṇa) (tranquility of final liberation, peace of cessation)

Words meanings and morphology

अज्ञानम् (ajñānam) - ignorance, nescience, non-knowledge

(noun)

Nominative, neuter, singular of ajñāna

ajñāna - ignorance, nescience, spiritual ignorance (a-jñāna)

Compound type : nañ-tatpurusha (a+jñāna)

• a – not, un-, non-
  indeclinable
• jñāna – knowledge, wisdom
  noun (neuter)

उत्पत्तिमही (utpattimahī) - the earth/ground of origin, place of arising

(noun)

Nominative, feminine, singular of utpattimahī

utpattimahī - the earth or ground of origin; a place of coming into being

Compound type : tatpurusha (utpatti+mahī)

• utpatti – origin, production, coming forth
  noun (feminine)
• mahī – earth, ground, land
  noun (feminine)

नराः (narāḥ) - men, human beings, persons

(noun)

Nominative, masculine, plural of nara

nara - man, human being, person

विहगकोटयः (vihagakoṭayaḥ) - millions of birds, flocks of birds

(noun)

Nominative, feminine, plural of vihagakoṭi

vihagakoṭi - a multitude or crore (ten million) of birds

Compound type : tatpurusha (vihaga+koṭi)

• vihaga – bird (literally 'moving in the sky')
  noun (masculine)
  Derived from vi- (prefix) + ha- (to go)
  Prefix: vi
  Root: hā (class 3)
• koṭi – ten million, crore; multitude, mass
  noun (feminine)

उपलम्भः (upalambhaḥ) - perception, apprehension, attainment, acquisition

(noun)

Nominative, masculine, singular of upalambha

upalambha - perception, apprehension, acquisition, understanding

Derived from root labh with upasarga upa

Prefix: upa

Root: labh (class 1)

बृहत्स्तम्भः (bṛhatstambhaḥ) - great trunk, large pillar

(noun)

Nominative, masculine, singular of bṛhatstambha

bṛhatstambha - a great trunk or large pillar

Compound type : karmadharaya (bṛhat+stambha)

• bṛhat – great, large, vast
  adjective (masculine)
• stambha – trunk (of a tree), pillar, column
  noun (masculine)

दवः (davaḥ) - forest fire, conflagration

(noun)

Nominative, masculine, singular of dava

dava - forest fire, conflagration, heat

निर्वाणनिर्वृतिः (nirvāṇanirvṛtiḥ) - the tranquility of final liberation (nirvāṇa) (tranquility of final liberation, peace of cessation)

(noun)

Nominative, feminine, singular of nirvāṇanirvṛti

nirvāṇanirvṛti - the tranquility or cessation of final liberation

Compound type : tatpurusha (nirvāṇa+nirvṛti)

• nirvāṇa – final liberation, blowing out, cessation (of suffering/existence)
  noun (neuter)
  Prefix: nis
  Root: vā (class 2)
• nirvṛti – tranquility, peace, cessation, final happiness
  noun (feminine)
  Prefix: nis
  Root: vṛt (class 1)