योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-6, verse-18

देहयन्त्रं पयःसत्तामात्रादूर्मिमिव स्थितम् ।
आधारस्पन्दनेनाङ्ग यथा क्षोभो न वा भवः ॥ १८ ॥

dehayantraṃ payaḥsattāmātrādūrmimiva sthitam ,
ādhāraspandanenāṅga yathā kṣobho na vā bhavaḥ 18

18. dehayantram payaḥsattāmātrāt ūrmim iva sthitam
ādhāra spandanena aṅga yathā kṣobhaḥ na vā bhavaḥ

18. aṅga yathā payaḥsattāmātrāt ūrmim iva sthitam
dehayantram ādhāraspandanena kṣobhaḥ na vā bhavaḥ

18. O dear one, just as the body-machine (dehayantra), existing like a wave (ūrmi) merely by the presence of water, is [itself] merely the agitation of its underlying support and has no separate coming-into-being (bhava).

Words meanings summery:

• देहयन्त्रम् (dehayantram) - body-machine, mechanical body

• पयःसत्तामात्रात् (payaḥsattāmātrāt) - merely from the existence of water, solely due to the presence of water

• ऊर्मिम् (ūrmim) - wave

• इव (iva) - like, as, as if

• स्थितम् (sthitam) - existing (agreeing with dehayantram) (situated, existing, standing)

• आधार (ādhāra) - the underlying support (referring to water, or Brahman) (support, base, foundation)

• स्पन्दनेन (spandanena) - by the vibration, by the movement

• अङ्ग (aṅga) - O dear one, O friend

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

• क्षोभः (kṣobhaḥ) - agitation, disturbance, tremor

• न (na) - not, no

• वा (vā) - or

• भवः (bhavaḥ) - existence, arising, being

Words meanings and morphology

देहयन्त्रम् (dehayantram) - body-machine, mechanical body

(noun)

Nominative, neuter, singular of dehayantra

dehayantra - body-machine, a mechanical body or instrument

Compound type : tatpurusha (deha+yantra)

• deha – body, form, mass
  noun (masculine)
• yantra – instrument, machine, device
  noun (neuter)
  Root: yam (class 1)

पयःसत्तामात्रात् (payaḥsattāmātrāt) - merely from the existence of water, solely due to the presence of water

(adjective)

Ablative, singular of payaḥsattāmātra

payaḥsattāmātra - consisting merely of the existence of water

Compound type : tatpurusha (payas+sattā+mātra)

• payas – water, fluid, milk
  noun (neuter)
• sattā – existence, being, reality
  noun (feminine)
  Derived from root as (to be)
  Root: as (class 2)
• mātra – mere, only, simply; measure, quantity
  indeclinable

Note: Used adverbially to indicate 'solely due to'.

ऊर्मिम् (ūrmim) - wave

(noun)

Accusative, masculine, singular of ūrmi

ūrmi - wave, billow, surge, ripple

इव (iva) - like, as, as if

(indeclinable)

स्थितम् (sthitam) - existing (agreeing with dehayantram) (situated, existing, standing)

(adjective)

Nominative, neuter, singular of sthita

sthita - standing, situated, existing, fixed, abiding

Past Passive Participle

Derived from root sthā (to stand)

Root: sthā (class 1)

Note: Agrees with 'dehayantram'.

आधार (ādhāra) - the underlying support (referring to water, or Brahman) (support, base, foundation)

(noun)

masculine, singular of ādhāra

ādhāra - support, base, foundation, receptacle

Prefix: ā

Root: dhṛ (class 1)

Note: First part of the compound 'ādhāraspandanena'.

स्पन्दनेन (spandanena) - by the vibration, by the movement

(noun)

Instrumental, neuter, singular of spandana

spandana - trembling, vibration, pulsation, movement

Derived from root spand (to tremble, vibrate)

Root: spand (class 1)

अङ्ग (aṅga) - O dear one, O friend

(indeclinable)

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

(indeclinable)

क्षोभः (kṣobhaḥ) - agitation, disturbance, tremor

(noun)

Nominative, masculine, singular of kṣobha

kṣobha - agitation, disturbance, tremor, commotion

Derived from root kṣubh (to tremble, be agitated)

Root: kṣubh (class 1)

न (na) - not, no

(indeclinable)

वा (vā) - or

(indeclinable)

भवः (bhavaḥ) - existence, arising, being

(noun)

Nominative, masculine, singular of bhava

bhava - being, existence, becoming, birth, origin

Derived from root bhū (to be, to become)

Root: bhū (class 1)