योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-112, verse-16

अस्ति कश्चिन्महाबाहो मायायन्त्रमयः पुमान् ।
बालपेलवधीमूढो गूढो मौर्ख्येण केवलम् ॥ १६ ॥

asti kaścinmahābāho māyāyantramayaḥ pumān ,
bālapelavadhīmūḍho gūḍho maurkhyeṇa kevalam 16

16. asti kaścit mahābāho māyāyantramayaḥ pumān
bālapelavadhīmūḍhaḥ gūḍhaḥ maurkhyeṇa kevalam

16. mahābāho kaścit pumān asti māyāyantramayaḥ
bālapelavadhīmūḍhaḥ maurkhyeṇa kevalam gūḍhaḥ

16. O mighty-armed one, there exists a certain person (puruṣa) made of the machine of illusion (māyā), whose intellect is childish and fragile, thus deluded, and who is concealed solely by foolishness.

Words meanings summery:

• अस्ति (asti) - is, exists

• कश्चित् (kaścit) - someone, a certain one

• महाबाहो (mahābāho) - O mighty-armed one

• मायायन्त्रमयः (māyāyantramayaḥ) - consisting of an illusion (māyā) machine, made of the machine of illusion

• पुमान् (pumān) - man, person (puruṣa), male, spirit

• बालपेलवधीमूढः (bālapelavadhīmūḍhaḥ) - deluded by a childish and fragile intellect

• गूढः (gūḍhaḥ) - hidden, concealed, secret

• मौर्ख्येण (maurkhyeṇa) - by foolishness, by ignorance

• केवलम् (kevalam) - only, merely, solely

Words meanings and morphology

अस्ति (asti) - is, exists

(verb)

3rd person , singular, active, present indicative (laṭ) of as

Root: as (class 2)

कश्चित् (kaścit) - someone, a certain one

(pronoun)

Nominative, masculine, singular of kaścid

kaścid - someone, a certain one

महाबाहो (mahābāho) - O mighty-armed one

(noun)

Vocative, masculine, singular of mahābāhu

mahābāhu - mighty-armed

Compound type : bahuvrīhi (mahā+bāhu)

• mahā – great, mighty
  adjective (feminine)
• bāhu – arm
  noun (masculine)

मायायन्त्रमयः (māyāyantramayaḥ) - consisting of an illusion (māyā) machine, made of the machine of illusion

(adjective)

Nominative, masculine, singular of māyāyantramaya

māyāyantramaya - consisting of an illusion (māyā) machine, made of the machine of illusion

Compound type : tatpuruṣa (māyāyantra+maya)

• māyāyantra – machine of illusion (māyā)
  noun (neuter)
• maya – consisting of, made of, full of
  adjective (masculine)
  Suffix -maya meaning 'made of' or 'consisting of'

Note: Agrees with pumān

पुमान् (pumān) - man, person (puruṣa), male, spirit

(noun)

Nominative, masculine, singular of puruṣa

puruṣa - man, person (puruṣa), male, spirit, cosmic person

बालपेलवधीमूढः (bālapelavadhīmūḍhaḥ) - deluded by a childish and fragile intellect

(adjective)

Nominative, masculine, singular of bālapelavadhīmūḍha

bālapelavadhīmūḍha - deluded by a childish and fragile intellect

Compound type : tatpuruṣa (bālapelavadhī+mūḍha)

• bālapelavadhī – childish and fragile intellect
  noun (feminine)
• mūḍha – deluded, bewildered, foolish
  adjective (masculine)
  Past Passive Participle
  From root √muh (to be bewildered, confused)
  Root: muh (class 4)

Note: Agrees with pumān

गूढः (gūḍhaḥ) - hidden, concealed, secret

(adjective)

Nominative, masculine, singular of gūḍha

gūḍha - hidden, concealed, secret

Past Passive Participle

from root √guh (to hide, conceal)

Root: guh (class 1)

Note: Agrees with pumān

मौर्ख्येण (maurkhyeṇa) - by foolishness, by ignorance

(noun)

Instrumental, neuter, singular of maurkhya

maurkhya - foolishness, ignorance

Derived from mūrkha (foolish) with suffix -ya (abstract noun)

केवलम् (kevalam) - only, merely, solely

(indeclinable)

Note: Used adverbially here