योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-16, verse-18

संसारजलधेरस्मान्नित्यमुत्तरणोन्मुखः ।
सेतुनेव पयःपूरो रोधितोऽस्मि कुचेतसा ॥ १८ ॥

saṃsārajaladherasmānnityamuttaraṇonmukhaḥ ,
setuneva payaḥpūro rodhito'smi kucetasā 18

18. saṃsārajaladheḥ asmāt nityam uttaraṇonmukhaḥ
setunā iva payaḥpūraḥ rodhitaḥ asmi kucetasā

18. Though I am always facing towards crossing this ocean of transmigratory existence (saṃsāra), I am obstructed by my bad mind, just as a flood of water is held back by a dam.

Words meanings summery:

• संसारजलधेः (saṁsārajaladheḥ) - from the ocean of transmigratory existence

• अस्मात् (asmāt) - from this

• नित्यम् (nityam) - always, constantly, eternally

• उत्तरणोन्मुखः (uttaraṇonmukhaḥ) - facing towards crossing over; inclined to cross over

• सेतुना (setunā) - by a dam, by a bridge, by a dike

• इव (iva) - like, as, as if

• पयःपूरः (payaḥpūraḥ) - a flood of water, an abundance of water

• रोधितः (rodhitaḥ) - obstructed, stopped, hindered

• अस्मि (asmi) - I am

• कुचेतसा (kucetasā) - by the bad mind, by the corrupted mind

Words meanings and morphology

संसारजलधेः (saṁsārajaladheḥ) - from the ocean of transmigratory existence

(noun)

Ablative, masculine, singular of saṃsārajaladhi

saṁsārajaladhi - ocean of transmigratory existence (saṃsāra)

Tatpuruṣa compound

Compound type : tatpuruṣa (saṃsāra+jaladhi)

• saṃsāra – transmigratory existence, cycle of birth and death, worldly life
  noun (masculine)
  Prefix: sam
  Root: sṛ (class 1)
• jaladhi – ocean, sea (lit. 'receiver of water')
  noun (masculine)
  Tatpuruṣa compound of jala ('water') and dhā ('to hold')
  Root: dhā (class 3)

अस्मात् (asmāt) - from this

(pronoun)

Ablative, masculine, singular of idam

idam - this, this one

नित्यम् (nityam) - always, constantly, eternally

(indeclinable)

उत्तरणोन्मुखः (uttaraṇonmukhaḥ) - facing towards crossing over; inclined to cross over

(adjective)

Nominative, masculine, singular of uttaraṇonmukha

uttaraṇonmukha - facing towards crossing over; desirous of crossing; inclined to cross

Tatpuruṣa compound

Compound type : tatpuruṣa (uttaraṇa+unmukha)

• uttaraṇa – crossing over, passing over, liberation
  noun (neuter)
  Verbal noun
  Root tṛ + Lyuṭ suffix with upasarga ud
  Prefix: ud
  Root: tṛ (class 1)
• unmukha – facing towards, having one's face turned up or towards, inclined to, desirous of
  adjective
  Compound of ud ('up, forth') and mukha ('face')

सेतुना (setunā) - by a dam, by a bridge, by a dike

(noun)

Instrumental, masculine, singular of setu

setu - dam, bridge, causeway, dike, boundary

इव (iva) - like, as, as if

(indeclinable)

पयःपूरः (payaḥpūraḥ) - a flood of water, an abundance of water

(noun)

Nominative, masculine, singular of payaḥpūra

payaḥpūra - flood of water, abundance of water

Tatpuruṣa compound

Compound type : tatpuruṣa (payas+pūra)

• payas – water, milk
  noun (neuter)
• pūra – filling, flood, stream, abundance
  noun (masculine)
  Root pṛ + ghañ suffix
  Root: pṛ (class 3)

रोधितः (rodhitaḥ) - obstructed, stopped, hindered

(adjective)

Nominative, masculine, singular of rodhita

rodhita - obstructed, stopped, hindered, checked

Past Passive Participle

Root rudh + kta suffix

Root: rudh (class 7)

अस्मि (asmi) - I am

(verb)

1st person , singular, active, present indicative (laṭ) of as

Present Indicative

Root: as (class 2)

कुचेतसा (kucetasā) - by the bad mind, by the corrupted mind

(noun)

Instrumental, neuter, singular of kucetas

kucetas - bad mind, corrupted mind, evil thought

Karmadhāraya compound

Compound type : karmadhāraya (ku+cetas)

• ku – bad, evil, deficient, wrong
  indeclinable
  Prefix indicating badness or deficiency
• cetas – mind, thought, intellect, consciousness
  noun (neuter)