योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-55, verse-10

पूर्वप्रवृत्ता सरितां रूढाद्यापि यथास्थिता ।
तरङ्गलेखा दृष्टीनां पदार्थरचना तथा ॥ १० ॥

pūrvapravṛttā saritāṃ rūḍhādyāpi yathāsthitā ,
taraṅgalekhā dṛṣṭīnāṃ padārtharacanā tathā 10

10. pūrvapravṛttā saritām rūḍhā adya api yathāsthitā
taraṅgalekhā dṛṣṭīnām padārtharacanā tathā

10. yathā pūrvapravṛttā saritām adya api yathāsthitā
rūḍhā tathā dṛṣṭīnām padārtharacanā taraṅgalekhā

10. Just as the rivers, which began flowing long ago, are still established and remain in their original state today, similarly, the formation of perceived objects for our vision is like a series of waves.

Words meanings summery:

• पूर्वप्रवृत्ता (pūrvapravṛttā) - previously begun, commenced before

• सरिताम् (saritām) - of rivers

• रूढा (rūḍhā) - established, grown, rooted

• अद्य (adya) - today, now

• अपि (api) - even, also, too

• यथास्थिता (yathāsthitā) - as it remains, as it stands, in its original state

• तरङ्गलेखा (taraṅgalekhā) - series of waves, line of waves

• दृष्टीनाम् (dṛṣṭīnām) - of perceptions, of visions, of eyes

• पदार्थरचना (padārtharacanā) - formation of objects, arrangement of things

• तथा (tathā) - similarly, so, thus

Words meanings and morphology

पूर्वप्रवृत्ता (pūrvapravṛttā) - previously begun, commenced before

(adjective)

Nominative, feminine, singular of pūrvapravṛtta

pūrvapravṛtta - previously engaged, previously active, begun before

Past Passive Participle

Compound of 'pūrva' (previous) and 'pravṛtta' (begun, set in motion, from root vṛt with prefix pra)

Compound type : Tatpurusha (pūrva+pravṛtta)

• pūrva – previous, former, prior
  adjective (masculine)
• pravṛtta – begun, set in motion, engaged in, flowing
  adjective (masculine)
  Past Passive Participle
  From root vṛt with prefix pra
  Prefix: pra
  Root: vṛt (class 1)

Note: Qualifies an implied feminine noun like 'saritā' (river) or 'gati' (course).

सरिताम् (saritām) - of rivers

(noun)

Genitive, feminine, plural of sarit

sarit - river

Root: sṛ (class 1)

रूढा (rūḍhā) - established, grown, rooted

(adjective)

Nominative, feminine, singular of rūḍha

rūḍha - grown, risen, established, traditional, well-known

Past Passive Participle

From root ruh (to grow, ascend)

Root: ruh (class 1)

Note: Qualifies implied 'saritā' or 'gati'.

अद्य (adya) - today, now

(indeclinable)

अपि (api) - even, also, too

(indeclinable)

यथास्थिता (yathāsthitā) - as it remains, as it stands, in its original state

(adjective)

Nominative, feminine, singular of yathāsthita

yathāsthita - as it stands, as it is, as it was placed

Past Passive Participle

Compound of 'yathā' (as, according to) and 'sthita' (stood, remained, from root sthā)

Compound type : Avyayībhāva (or adjective compound) (yathā+sthita)

• yathā – as, just as, according to
  indeclinable
• sthita – stood, remained, situated, existing
  adjective (masculine)
  Past Passive Participle
  From root sthā (to stand)
  Root: sthā (class 1)

Note: Qualifies implied 'saritā' or 'gati'.

तरङ्गलेखा (taraṅgalekhā) - series of waves, line of waves

(noun)

Nominative, feminine, singular of taraṅgalekhā

taraṅgalekhā - a line or series of waves

Compound type : Tatpurusha (taraṅga+lekhā)

• taraṅga – wave, billow
  noun (masculine)
  Root: tṛ (class 1)
• lekhā – line, streak, series
  noun (feminine)

दृष्टीनाम् (dṛṣṭīnām) - of perceptions, of visions, of eyes

(noun)

Genitive, feminine, plural of dṛṣṭi

dṛṣṭi - sight, vision, perception, view, eye

From root dṛś (to see)

Root: dṛś (class 1)

पदार्थरचना (padārtharacanā) - formation of objects, arrangement of things

(noun)

Nominative, feminine, singular of padārtharacanā

padārtharacanā - arrangement of objects, creation of things

Compound type : Tatpurusha (padārtha+racanā)

• padārtha – object, thing, category, meaning of a word
  noun (masculine)
• racanā – arrangement, formation, creation, composition
  noun (feminine)
  From root rac (to arrange, make)
  Root: rac (class 10)

तथा (tathā) - similarly, so, thus

(indeclinable)