योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-102, verse-18

वायूनिव प्रवाहस्थाः स्पृशन्ति विषयान्मुधा ।
देहसत्ताविषान्मूढा लीयन्ते विषयोदरे ॥ १८ ॥

vāyūniva pravāhasthāḥ spṛśanti viṣayānmudhā ,
dehasattāviṣānmūḍhā līyante viṣayodare 18

18. vāyūn iva pravāhasthāḥ spṛśanti viṣayān mudhā
deha-sattā-viṣāt mūḍhāḥ līyante viṣaya-udare

18. pravāhasthāḥ vāyūn iva viṣayān mudhā spṛśanti
mūḍhāḥ deha-sattā-viṣāt viṣaya-udare līyante

18. Those who dwell in the current of existence fruitlessly grasp at sense objects, just as one grasps at winds. Deluded beings, poisoned by attachment to bodily existence (deha-sattā), become absorbed into the core of sense objects.

Words meanings summery:

• वायून् (vāyūn) - winds, breaths

• इव (iva) - like, as, as if

• प्रवाहस्थाः (pravāhasthāḥ) - those who are in the current/stream (of existence)

• स्पृशन्ति (spṛśanti) - they touch, they grasp, they perceive

• विषयान् (viṣayān) - sense objects, objects of experience, worldly objects

• मुधा (mudhā) - in vain, uselessly, fruitlessly, for nothing

• देह-सत्ता-विषात् (deha-sattā-viṣāt) - from the poison of bodily existence

• मूढाः (mūḍhāḥ) - deluded ones, foolish persons, ignorant ones

• लीयन्ते (līyante) - they dissolve, they merge, they are absorbed, they cling

• विषय-उदरे (viṣaya-udare) - in the belly/midst/core of sense objects

Words meanings and morphology

वायून् (vāyūn) - winds, breaths

(noun)

Accusative, masculine, plural of vāyu

vāyu - wind, air, vital breath

Root: vā (class 2)

इव (iva) - like, as, as if

(indeclinable)

प्रवाहस्थाः (pravāhasthāḥ) - those who are in the current/stream (of existence)

(adjective)

Nominative, masculine, plural of pravāhastha

pravāhastha - standing in a current, situated in a flow

Compound type : saptamī-tatpuruṣa (pravāha+stha)

• pravāha – current, stream, flow
  noun (masculine)
  Prefix: pra
  Root: vah (class 1)
• stha – standing, staying, situated in
  adjective (masculine)
  Adjective from root
  Derived from the root 'sthā' (to stand)
  Root: sthā (class 1)

स्पृशन्ति (spṛśanti) - they touch, they grasp, they perceive

(verb)

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

Root: spṛś (class 6)

विषयान् (viṣayān) - sense objects, objects of experience, worldly objects

(noun)

Accusative, masculine, plural of viṣaya

viṣaya - object of sense, sphere, domain, subject

मुधा (mudhā) - in vain, uselessly, fruitlessly, for nothing

(indeclinable)

देह-सत्ता-विषात् (deha-sattā-viṣāt) - from the poison of bodily existence

(noun)

Ablative, neuter, singular of dehasattāviṣa

dehasattāviṣa - poison of bodily existence

Compound type : tatpuruṣa (deha+sattā+viṣa)

• deha – body (deha), physical form
  noun (masculine)
  Root: dih (class 4)
• sattā – existence, being, reality
  noun (feminine)
  Root: as (class 2)
• viṣa – poison, venom
  noun (neuter)

मूढाः (mūḍhāḥ) - deluded ones, foolish persons, ignorant ones

(adjective)

Nominative, masculine, plural of mūḍha

mūḍha - deluded, foolish, ignorant

Past Passive Participle

Derived from the root 'muh' (to be bewildered, deluded)

Root: muh (class 4)

लीयन्ते (līyante) - they dissolve, they merge, they are absorbed, they cling

(verb)

3rd person , plural, middle, present indicative (laṭ) of lī

Root 'lī' (4th class, ātmanepada) means to cling, adhere, melt. Also passive voice of 'lī' (to make adhere, melt).

Root: lī (class 4)

विषय-उदरे (viṣaya-udare) - in the belly/midst/core of sense objects

(noun)

Locative, neuter, singular of viṣayodara

viṣayodara - belly of sense objects, interior of objects of sense

Compound type : tatpuruṣa (viṣaya+udara)

• viṣaya – sense object, object of experience
  noun (masculine)
• udara – belly, interior, core, womb
  noun (neuter)