योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-53, verse-24

क्षणमभ्युदयं यान्ति क्षणं शाम्यन्ति दीपवत् ।
देहगेहेषु संकल्पतरङ्गाः सागरेष्विव ॥ २४ ॥

kṣaṇamabhyudayaṃ yānti kṣaṇaṃ śāmyanti dīpavat ,
dehageheṣu saṃkalpataraṅgāḥ sāgareṣviva 24

24. kṣaṇam abhyudayam yānti kṣaṇam śāmyanti dīpavat
dehageheṣu saṃkalpataraṅgāḥ sāgareṣu iva

24. dehageheṣu saṃkalpataraṅgāḥ kṣaṇam abhyudayam yānti,
kṣaṇam śāmyanti,
dīpavat sāgareṣu iva

24. Just like a lamp, or like waves in the oceans, the waves of thought (saṃkalpa) within the body-houses (bodies) rise for a moment and then subside for a moment.

Words meanings summery:

• क्षणम् (kṣaṇam) - for a moment, instantly

• अभ्युदयम् (abhyudayam) - rise, prosperity, elevation

• यान्ति (yānti) - they rise (in combination with abhyudayam) (they go, they attain, they reach)

• क्षणम् (kṣaṇam) - for a moment, instantly

• शाम्यन्ति (śāmyanti) - they subside, they become calm, they cease

• दीपवत् (dīpavat) - like a lamp, similar to a lamp

• देहगेहेषु (dehageheṣu) - in the body-houses, in the bodies (which are like houses)

• संकल्पतरङ्गाः (saṁkalpataraṅgāḥ) - waves of thought, waves of resolve, mental waves

• सागरेषु (sāgareṣu) - in oceans, in the seas

• इव (iva) - like, as, as if

Words meanings and morphology

क्षणम् (kṣaṇam) - for a moment, instantly

(noun)

Accusative, masculine, singular of kṣaṇa

kṣaṇa - a moment, an instant, a short period of time

Note: Used adverbially.

अभ्युदयम् (abhyudayam) - rise, prosperity, elevation

(noun)

Accusative, masculine, singular of abhyudaya

abhyudaya - rise, prosperity, dawn, elevation, success

From abhi-ud-i (to go up towards)

Prefixes: abhi+ud

Root: i (class 2)

यान्ति (yānti) - they rise (in combination with abhyudayam) (they go, they attain, they reach)

(verb)

3rd person , plural, active, present (laṭ) of yā

yā (root) + anti (3rd plural present active ending)

Root: yā (class 2)

क्षणम् (kṣaṇam) - for a moment, instantly

(noun)

Accusative, masculine, singular of kṣaṇa

kṣaṇa - a moment, an instant, a short period of time

Note: Used adverbially.

शाम्यन्ति (śāmyanti) - they subside, they become calm, they cease

(verb)

3rd person , plural, active, present (laṭ) of śam

śam (root) + ya (class 4 sign) + anti (3rd plural present active ending)

Root: śam (class 4)

दीपवत् (dīpavat) - like a lamp, similar to a lamp

(indeclinable)

The suffix vat is added to a noun to form an indeclinable adverb meaning "like" or "as if".

Note: Formed with vat suffix meaning 'like'.

देहगेहेषु (dehageheṣu) - in the body-houses, in the bodies (which are like houses)

(noun)

Locative, masculine, plural of dehageha

dehageha - body-house, the body conceived as a house

Compound type : karmadhāraya (deha+geha)

• deha – body, physical form
  noun (masculine)
• geha – house, dwelling, home
  noun (neuter)

Note: The compound is treated as masculine here, in plural locative.

संकल्पतरङ्गाः (saṁkalpataraṅgāḥ) - waves of thought, waves of resolve, mental waves

(noun)

Nominative, masculine, plural of saṃkalpataraṅga

saṁkalpataraṅga - waves of thought/resolve/intention

Compound type : ṣaṣṭhī-tatpuruṣa (saṃkalpa+taraṅga)

• saṃkalpa – thought, intention, resolve, conception, will
  noun (masculine)
  From sam-kḷp (to be arranged, to be ready)
  Prefix: sam
  Root: kḷp (class 10)
• taraṅga – wave, billow, surge
  noun (masculine)

Note: This is the subject of the verbs yānti and śāmyanti.

सागरेषु (sāgareṣu) - in oceans, in the seas

(noun)

Locative, masculine, plural of sāgara

sāgara - ocean, sea

इव (iva) - like, as, as if

(indeclinable)

Particle of comparison.