योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-14, verse-19

ये केचन दुरारम्भा दुराचारा दुराधयः ।
अविचारेण ते भान्ति वेतालास्तमसा यथा ॥ १९ ॥

ye kecana durārambhā durācārā durādhayaḥ ,
avicāreṇa te bhānti vetālāstamasā yathā 19

19. ye kecana durārambhāḥ durācārāḥ durādhayaḥ
avicāreṇa te bhānti vetālāḥ tamasā yathā

19. ye kecana durārambhāḥ durācārāḥ durādhayaḥ
te avicāreṇa tamasā vetālāḥ yathā bhānti

19. Those who undertake ill-conceived actions, exhibit bad conduct, or harbor evil intentions, appear, without proper discernment, like ghosts (vetāla) illuminated by darkness (tamas).

Words meanings summery:

• ये (ye) - which, who, those who

• केचन (kecana) - some, certain, whoever, whatever

• दुरारम्भाः (durārambhāḥ) - those with bad beginnings, ill-conceived undertakings, badly initiated actions

• दुराचाराः (durācārāḥ) - those with bad conduct, ill-behaved persons

• दुराधयः (durādhayaḥ) - those with bad intentions, evil purposes, mental afflictions

• अविचारेण (avicāreṇa) - without discrimination, thoughtlessly, by lack of reflection

• ते (te) - they

• भान्ति (bhānti) - they shine, they appear, they seem

• वेतालाः (vetālāḥ) - ghosts, vampires, goblins, spirits

• तमसा (tamasā) - by darkness, by ignorance, by the quality of tamas

• यथा (yathā) - as, like, just as

Words meanings and morphology

ये (ye) - which, who, those who

(pronoun)

Nominative, masculine, plural of yad

yad - which, who, what, whichever

केचन (kecana) - some, certain, whoever, whatever

(pronoun)

Nominative, masculine, plural of ka

ka - who?, what?

Note: `cana` is an indeclinable particle that makes the pronoun indefinite.

दुरारम्भाः (durārambhāḥ) - those with bad beginnings, ill-conceived undertakings, badly initiated actions

(noun)

Nominative, masculine, plural of durārambha

durārambha - bad beginning, ill-conceived undertaking

Compound type : tatpuruṣa (dus+ārambha)

• dus – bad, difficult, ill-
  indeclinable
• ārambha – beginning, undertaking, commencement
  noun (masculine)
  Prefix: ā
  Root: rabh (class 1)

दुराचाराः (durācārāḥ) - those with bad conduct, ill-behaved persons

(noun)

Nominative, masculine, plural of durācāra

durācāra - bad conduct, improper behavior

Compound type : tatpuruṣa (dus+ācāra)

• dus – bad, difficult, ill-
  indeclinable
• ācāra – conduct, behavior, custom
  noun (masculine)
  Prefix: ā
  Root: car (class 1)

दुराधयः (durādhayaḥ) - those with bad intentions, evil purposes, mental afflictions

(noun)

Nominative, masculine, plural of durādhi

durādhi - mental pain, anxiety, evil intention

Compound type : tatpuruṣa (dus+ādhi)

• dus – bad, difficult, ill-
  indeclinable
• ādhi – mental pain, anxiety, intention, purpose
  noun (masculine)
  Prefix: ā
  Root: dhā (class 3)

अविचारेण (avicāreṇa) - without discrimination, thoughtlessly, by lack of reflection

(noun)

Instrumental, masculine, singular of avicāra

avicāra - absence of thought, indiscretion, lack of discrimination

Compound type : nañ-tatpuruṣa (a+vicāra)

• a – not, non-
  indeclinable
• vicāra – thought, deliberation, discrimination, reflection
  noun (masculine)
  Prefix: vi
  Root: car (class 1)

ते (te) - they

(pronoun)

Nominative, masculine, plural of tad

tad - that, he, she, it

भान्ति (bhānti) - they shine, they appear, they seem

(verb)

3rd person , plural, active, present indicative (laṭ) of bhā

Root: bhā (class 2)

वेतालाः (vetālāḥ) - ghosts, vampires, goblins, spirits

(noun)

Nominative, masculine, plural of vetāla

vetāla - a ghost, vampire, goblin, spirit inhabiting corpses

तमसा (tamasā) - by darkness, by ignorance, by the quality of tamas

(noun)

Instrumental, neuter, singular of tamas

tamas - darkness, ignorance, the quality of inertia (tamas)

यथा (yathā) - as, like, just as

(indeclinable)