योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-13, verse-18

लहरीवैकरूपेण पदं क्षणमकुर्वती ।
चला दीपशिखेवातिदुर्ज्ञेयगतिगोचरा ॥ १८ ॥

laharīvaikarūpeṇa padaṃ kṣaṇamakurvatī ,
calā dīpaśikhevātidurjñeyagatigocarā 18

18. laharīvaikarūpeṇa padam kṣaṇam akurvatī
calā dīpaśikhā iva atidurjñeyagatigocarā

18. Never remaining in one place even for a moment, like a wave with its constantly changing forms, she is as fickle as a lamp's flame, her movements extremely difficult to perceive.

Words meanings summery:

• लहरीवैकरूपेण (laharīvaikarūpeṇa) - by means of the changing form of a wave

• पदम् (padam) - a stable place/position (a place, a step, a foot)

• क्षणम् (kṣaṇam) - even for a moment (a moment, an instant)

• अकुर्वती (akurvatī) - not establishing, not taking (not doing, not making)

• चला (calā) - fickle, unsteady, moving

• दीपशिखा (dīpaśikhā) - lamp flame

• इव (iva) - like, as if

• अतिदुर्ज्ञेयगतिगोचरा (atidurjñeyagatigocarā) - whose movement is extremely difficult to know/perceive

Words meanings and morphology

लहरीवैकरूपेण (laharīvaikarūpeṇa) - by means of the changing form of a wave

(adjective)

Instrumental, neuter, singular of laharīvaikarūpa

laharīvaikarūpa - changing form of a wave, wave-like distortion

Compound type : ṣaṣṭhī-tatpuruṣa (laharī+vaikarūpa)

• laharī – wave
  noun (feminine)
• vaikarūpa – changing form, distorted form, disfigurement
  noun (neuter)
  Derived from `vikāra` (change, distortion) or `vikṛtarūpa` (disfigured form).
  Prefix: vi
  Root: kṛ (class 8)

Note: Used adverbially to describe the manner of change.

पदम् (padam) - a stable place/position (a place, a step, a foot)

(noun)

Accusative, neuter, singular of pada

pada - foot, step, pace, trace, mark, position, state, place, word

Root: pad (class 4)

क्षणम् (kṣaṇam) - even for a moment (a moment, an instant)

(noun)

Accusative, masculine, singular of kṣaṇa

kṣaṇa - a moment, an instant, leisure, festival

Root: kṣaṇ (class 1)

Note: Used adverbially to denote 'for a moment'.

अकुर्वती (akurvatī) - not establishing, not taking (not doing, not making)

(participle)

Nominative, feminine, singular of akurvat

akurvat - not doing, not making

Present Active Participle

Derived from verb root `kṛ` (to do, make) with negative prefix `a-` and `śatṛ` suffix, feminine form.

Prefix: a

Root: kṛ (class 8)

Note: Describes the implicit subject (Lakṣmī).

चला (calā) - fickle, unsteady, moving

(adjective)

Nominative, feminine, singular of cala

cala - moving, shaking, unsteady, fickle, transient

Root: cal (class 1)

Note: Describes the implicit subject (Lakṣmī).

दीपशिखा (dīpaśikhā) - lamp flame

(noun)

Nominative, feminine, singular of dīpaśikhā

dīpaśikhā - flame of a lamp, wick of a lamp

Compound type : ṣaṣṭhī-tatpuruṣa (dīpa+śikhā)

• dīpa – lamp, light, source of light
  noun (masculine)
  Root: dīp (class 4)
• śikhā – peak, top, flame, crest, tuft of hair
  noun (feminine)

इव (iva) - like, as if

(indeclinable)

अतिदुर्ज्ञेयगतिगोचरा (atidurjñeyagatigocarā) - whose movement is extremely difficult to know/perceive

(adjective)

Nominative, feminine, singular of atidurjñeyagatigocara

atidurjñeyagatigocara - whose movement is extremely difficult to know, having an incomprehensible course

Compound type : bahuvrīhi (ati+durjñeya+gati+gocara)

• ati – extremely, excessively
  indeclinable
• durjñeya – difficult to know, incomprehensible
  adjective (masculine)
  Gerundive
  Derived from `jñā` (to know) with prefix `dur-` and suffix `ṇyat`.
  Prefix: dur
  Root: jñā (class 9)
• gati – movement, course, path, state, destination
  noun (feminine)
  Root: gam (class 1)
• gocara – perceptible, within range, domain, scope
  noun (masculine)
  Derived from `go` (sense) + `car` (to move/perceive).
  Root: car (class 1)

Note: Describes the implicit subject (Lakṣmī).