योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-66, verse-37

चिन्तानद्या महावर्ते वीचिकानिचये चिरम् ।
क्षणादुच्छूनतामेति मनोमीनः क्षणाद्गतिः ॥ ३७ ॥

cintānadyā mahāvarte vīcikānicaye ciram ,
kṣaṇāducchūnatāmeti manomīnaḥ kṣaṇādgatiḥ 37

37. cintā-nadyām mahāvarte vīcikā-nicaye ciram
kṣaṇāt ucchūnatām eti manaḥ-mīnaḥ kṣaṇāt gatiḥ

37. manaḥ-mīnaḥ cintā-nadyām mahāvarte vīcikā-nicaye ciram kṣaṇāt ucchūnatām eti,
(ca) kṣaṇāt gatiḥ (bhavati).

37. In the great whirlpool of the river of worries, amidst its multitude of waves, the fish that is the mind (manaḥ-mīna) alternately swells up in an instant and then instantly moves, doing so for a long time.

Words meanings summery:

• चिन्ता-नद्याम् (cintā-nadyām) - in the river of worry/thought

• महावर्ते (mahāvarte) - in a great whirlpool

• वीचिका-निचये (vīcikā-nicaye) - in a multitude of waves

• चिरम् (ciram) - for a long time, long

• क्षणात् (kṣaṇāt) - instantly, in a moment, from a moment

• उच्छूनताम् (ucchūnatām) - swelling, bloatedness

• एति (eti) - goes, comes, attains

• मनः-मीनः (manaḥ-mīnaḥ) - mind-fish, the fish of the mind

• क्षणात् (kṣaṇāt) - instantly, in a moment, from a moment

• गतिः (gatiḥ) - movement or state of vanishing/disappearing quickly (movement, motion, course, state, departure, refuge)

Words meanings and morphology

चिन्ता-नद्याम् (cintā-nadyām) - in the river of worry/thought

(noun)

Locative, feminine, singular of cintā-nadī

cintā-nadī - river of worry, stream of thought

Compound type : tatpuruṣa (cintā+nadī)

• cintā – thought, reflection, worry, anxiety
  noun (feminine)
  Root: cit (class 1)
• nadī – river
  noun (feminine)

महावर्ते (mahāvarte) - in a great whirlpool

(noun)

Locative, masculine, singular of mahāvarta

mahāvarta - great whirlpool, eddy

Compound type : karmadhāraya (mahā+āvarta)

• mahā – great, large, extensive
  adjective
• āvarta – whirlpool, eddy, turning, revolution
  noun (masculine)
  Prefix: ā
  Root: vṛt (class 1)

वीचिका-निचये (vīcikā-nicaye) - in a multitude of waves

(noun)

Locative, masculine, singular of vīcikā-nicaya

vīcikā-nicaya - collection of waves, multitude of ripples

Compound type : tatpuruṣa (vīcikā+nicaya)

• vīcikā – small wave, ripple
  noun (feminine)
• nicaya – heap, pile, collection, multitude
  noun (masculine)
  Prefix: ni
  Root: ci (class 5)

चिरम् (ciram) - for a long time, long

(indeclinable)

क्षणात् (kṣaṇāt) - instantly, in a moment, from a moment

(noun)

Ablative, masculine, singular of kṣaṇa

kṣaṇa - moment, instant, twinkle of an eye

उच्छूनताम् (ucchūnatām) - swelling, bloatedness

(noun)

Accusative, feminine, singular of ucchūnatā

ucchūnatā - swelling, bloatedness, inflation

Derived from 'ucchūna' (swollen) with '-tā' suffix for abstract noun.

एति (eti) - goes, comes, attains

(verb)

3rd person , singular, active, present indicative (lat) of i

present active

3rd person singular, present indicative, Parasmaipada

Root: i (class 2)

मनः-मीनः (manaḥ-mīnaḥ) - mind-fish, the fish of the mind

(noun)

Nominative, masculine, singular of manaḥ-mīna

manaḥ-mīna - mind-fish (metaphor for the agile and elusive mind)

Compound type : karmadhāraya (manas+mīna)

• manas – mind, intellect, thought, understanding
  noun (neuter)
  Root: man (class 4)
• mīna – fish
  noun (masculine)

क्षणात् (kṣaṇāt) - instantly, in a moment, from a moment

(noun)

Ablative, masculine, singular of kṣaṇa

kṣaṇa - moment, instant, twinkle of an eye

गतिः (gatiḥ) - movement or state of vanishing/disappearing quickly (movement, motion, course, state, departure, refuge)

(noun)

Nominative, feminine, singular of gati

gati - going, motion, movement, course, progress, state, condition, refuge, way, manner, fate

Derived from root 'gam' with suffix 'ti'.

Root: gam (class 1)