योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-70, verse-8

यथा जडाब्धिलेखाया जायते लहरी चला ।
वासनायास्तथैवेच्छा मुधोदेत्यपकारणम् ॥ ८ ॥

yathā jaḍābdhilekhāyā jāyate laharī calā ,
vāsanāyāstathaivecchā mudhodetyapakāraṇam 8

8. yathā jaḍa-abdhi-lekhāyāḥ jāyate laharī calā
vāsanāyāḥ tathā eva icchā mudhā udeti apakāraṇam

8. yathā jaḍa-abdhi-lekhāyāḥ calā laharī jāyate,
tathā eva vāsanāyāḥ apakāraṇam icchā mudhā udeti.

8. Just as an agitated wave arises from the surface of the inert ocean, similarly, a desire arises pointlessly and without a specific cause from a latent impression (vāsanā).

Words meanings summery:

• यथा (yathā) - as, just as, in which manner

• जड-अब्धि-लेखायाः (jaḍa-abdhi-lekhāyāḥ) - from the surface of the inert ocean, from the line of the dull sea

• जायते (jāyate) - arises, is born, originates

• लहरी (laharī) - wave, ripple

• चला (calā) - agitated, moving, restless

• वासनायाः (vāsanāyāḥ) - from a latent impression/tendency, of a latent impression/tendency

• तथा (tathā) - similarly, so, thus

• एव (eva) - indeed, certainly, only, just

• इच्छा (icchā) - desire, wish, intention

• मुधा (mudhā) - in vain, uselessly, fruitlessly, falsely

• उदेति (udeti) - arises, comes forth, appears

• अपकारणम् (apakāraṇam) - without cause, without reason, causeless

Words meanings and morphology

यथा (yathā) - as, just as, in which manner

(indeclinable)

जड-अब्धि-लेखायाः (jaḍa-abdhi-lekhāyāḥ) - from the surface of the inert ocean, from the line of the dull sea

(noun)

Ablative, feminine, singular of jaḍābhdilekhā

jaḍābhdilekhā - surface/line of the inert ocean

Compound type : tatpuruṣa (jaḍa+abdhi+lekhā)

• jaḍa – inert, dull, inanimate, cold
  adjective
• abdhi – ocean, sea, reservoir
  noun (masculine)
• lekhā – line, streak, surface, drawing
  noun (feminine)

Note: The ablative case is used here to indicate the source from which something arises.

जायते (jāyate) - arises, is born, originates

(verb)

3rd person , singular, middle, present (laṭ) of jan

Root jan (div. 4, ātmanepada) in present tense, passive voice, or middle voice.

Root: jan (class 4)

लहरी (laharī) - wave, ripple

(noun)

Nominative, feminine, singular of laharī

laharī - wave, ripple, surge

चला (calā) - agitated, moving, restless

(adjective)

Nominative, feminine, singular of cala

cala - moving, agitated, unsteady, restless

Derived from root cal (to move).

Root: cal (class 1)

Note: Agrees with 'laharī'.

वासनायाः (vāsanāyāḥ) - from a latent impression/tendency, of a latent impression/tendency

(noun)

Ablative, feminine, singular of vāsanā

vāsanā - latent impression, mental tendency, habit, desire

From root 'vas' (to dwell) with suffix -anā.

Root: vas (class 1)

Note: Used in the ablative case to denote the source.

तथा (tathā) - similarly, so, thus

(indeclinable)

एव (eva) - indeed, certainly, only, just

(indeclinable)

Note: Emphatic particle.

इच्छा (icchā) - desire, wish, intention

(noun)

Nominative, feminine, singular of icchā

icchā - desire, wish, longing

From root 'iṣ' (to wish, desire) with suffix -ā.

Root: iṣ (class 4)

मुधा (mudhā) - in vain, uselessly, fruitlessly, falsely

(indeclinable)

Note: Often implying lack of true purpose or substance.

उदेति (udeti) - arises, comes forth, appears

(verb)

3rd person , singular, active, present (laṭ) of ud-i

Root i (div. 2, parasmaipada) with upasarga ud-.

Prefix: ud

Root: i (class 2)

अपकारणम् (apakāraṇam) - without cause, without reason, causeless

(adjective)

Nominative, neuter, singular of apakāraṇa

apakāraṇa - without cause, causeless, reasonless

Negative particle 'a' + 'kāraṇa' (cause/reason). Can function as an adverb or neuter noun/adjective.

Compound type : nañ-tatpuruṣa (a+kāraṇa)

• a – not, un-, non-
  indeclinable
• kāraṇa – cause, reason, instrument
  noun (neuter)
  From root 'kṛ' (to do) with suffix -ana.
  Root: kṛ (class 8)

Note: Qualifies 'icchā' (desire) as being without cause. Can also be interpreted adverbially.