योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-27, verse-5

तृष्णानदी सारतरप्रवाहग्रस्ताखिलानन्तपदार्थजाता ।
तटस्थसंतोषसुवृक्षमूलनिकाषदक्षा वहतीह लोके ॥ ५ ॥

tṛṣṇānadī sāratarapravāhagrastākhilānantapadārthajātā ,
taṭasthasaṃtoṣasuvṛkṣamūlanikāṣadakṣā vahatīha loke 5

5. tṛṣṇānadī sāratarapravāhagrastākhilānantapadārthajātā
taṭasthasaṃtoṣasuvṛkṣamūlanikāṣadakṣā vahati iha loke

5. iha loke tṛṣṇānadī sāratarapravāhagrastākhilānantapadārthajātā
taṭasthasaṃtoṣasuvṛkṣamūlanikāṣadakṣā vahati

5. Here in the world, the river of desire (tṛṣṇā) flows, whose entire infinite array of created things is swallowed by its powerful current, and which is adept at eroding the roots of the good tree of contentment (saṃtoṣa) that stands on its banks.

Words meanings summery:

• तृष्णानदी (tṛṣṇānadī) - river of desire, river of craving

• सारतरप्रवाहग्रस्ताखिलानन्तपदार्थजाता (sāratarapravāhagrastākhilānantapadārthajātā) - having all infinite generated objects seized by its most powerful current

• तटस्थसंतोषसुवृक्षमूलनिकाषदक्षा (taṭasthasaṁtoṣasuvṛkṣamūlanikāṣadakṣā) - adept at eroding the roots of the good tree of contentment standing on its banks

• वहति (vahati) - flows, carries, bears

• इह (iha) - here, in this world

• लोके (loke) - in the world, among people

Words meanings and morphology

तृष्णानदी (tṛṣṇānadī) - river of desire, river of craving

(noun)

Nominative, feminine, singular of tṛṣṇānadī

tṛṣṇānadī - river of desire/thirst

Compound type : karmadhāraya (tṛṣṇā+nadī)

• tṛṣṇā – thirst, desire, craving
  noun (feminine)
  from root tṛṣ (to thirst)
  Root: tṛṣ (class 4)
• nadī – river
  noun (feminine)
  Root: nad

Note: Subject of 'vahati'.

सारतरप्रवाहग्रस्ताखिलानन्तपदार्थजाता (sāratarapravāhagrastākhilānantapadārthajātā) - having all infinite generated objects seized by its most powerful current

(adjective)

Nominative, feminine, singular of sāratarapravāhagrastākhilānantapadārthajāta

sāratarapravāhagrastākhilānantapadārthajāta - having all infinite things/objects produced (in the world) seized by its strongest current

Compound type : bahuvrihi (sāratarapravāha+grasta+akhila+ananta+padārtha+jāta)

• sāratarapravāha – most powerful current
  noun (masculine)
  from `sāra` (essence, strength) + `tara` (comparative suffix) + `pravāha` (flow)
  Prefix: pra
  Root: vah
• grasta – seized, swallowed, afflicted
  adjective
  Past Passive Participle
  from root gras (to seize) + kta
  Root: gras (class 1)
• akhila – all, entire
  adjective
  negated 'khila' (gap)
  Prefix: a
• ananta – endless, infinite
  adjective
  negated 'anta' (end)
  Prefix: an
• padārtha – object, thing, category
  noun (masculine)
  Prefix: pada
  Root: arth
• jāta – born, produced, created
  adjective
  Past Passive Participle
  from root jan (to be born) + kta
  Root: jan (class 4)

Note: Adjective modifying 'tṛṣṇānadī'.

तटस्थसंतोषसुवृक्षमूलनिकाषदक्षा (taṭasthasaṁtoṣasuvṛkṣamūlanikāṣadakṣā) - adept at eroding the roots of the good tree of contentment standing on its banks

(adjective)

Nominative, feminine, singular of taṭasthasaṃtoṣasuvṛkṣamūlanikāṣadakṣa

taṭasthasaṁtoṣasuvṛkṣamūlanikāṣadakṣa - skilled at scraping/eroding the roots of the good tree of contentment which stands on the bank

Compound type : bahuvrihi (taṭastha+saṃtoṣasuvṛkṣa+mūla+nikāṣa+dakṣa)

• taṭastha – standing on the bank, bank-standing
  adjective
  from taṭa (bank) + stha (standing)
  Root: sthā (class 1)
• saṃtoṣasuvṛkṣa – the good tree of contentment
  noun (masculine)
  `saṃtoṣa` (contentment) + `suvṛkṣa` (good tree)
• mūla – root, foundation
  noun (neuter)
  Root: mūl
• nikāṣa – rubbing, testing, erosion
  noun (masculine)
  from ni- (prefix) + root kaṣ (to rub, test)
  Prefix: ni
  Root: kaṣ (class 1)
• dakṣa – expert, skillful
  adjective
  Root: dakṣ (class 1)

Note: Adjective modifying 'tṛṣṇānadī'.

वहति (vahati) - flows, carries, bears

(verb)

3rd person , singular, active, present (laṭ) of vah

Present Active

from root vah (to carry, flow)

Root: vah (class 1)

Note: Main verb.

इह (iha) - here, in this world

(indeclinable)

लोके (loke) - in the world, among people

(noun)

Locative, masculine, singular of loka

loka - world, people

Root: lok (class 1)