योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-138, verse-10

ऋतुर्ऋत्वन्तरेणेव सरितेवाल्पिका सरित् ।
वातेनामोदलेखेव धूमलेखेव वार्मुचा ॥ १० ॥

ṛturṛtvantareṇeva saritevālpikā sarit ,
vātenāmodalekheva dhūmalekheva vārmucā 10

10. ṛtuḥ ṛtvantareṇa iva saritā iva alpaikā sarit
vātena āmodalekhā iva dhūmalekhā iva vārmucā

10. ṛtuḥ ṛtvantareṇa iva,
alpaikā sarit saritā iva,
āmodalekhā vātena iva,
dhūmalekhā vārmucā iva

10. (It is transformed) like a season (merges) into another season, or a small river into a (larger) river, or a streak of fragrance into the wind, or a streak of smoke into a cloud.

Words meanings summery:

• ऋतुः (ṛtuḥ) - season

• ऋत्वन्तरेण (ṛtvantareṇa) - by another season

• इव (iva) - as if, like

• सरिता (saritā) - by a river

• इव (iva) - as if, like

• अल्पैका (alpaikā) - small, little

• सरित् (sarit) - river

• वातेन (vātena) - by the wind

• आमोदलेखा (āmodalekhā) - a streak of fragrance

• इव (iva) - as if, like

• धूमलेखा (dhūmalekhā) - a streak of smoke

• इव (iva) - as if, like

• वार्मुचा (vārmucā) - by a cloud

Words meanings and morphology

ऋतुः (ṛtuḥ) - season

(noun)

Nominative, masculine, singular of ṛtu

ṛtu - season, fixed time, period

ऋत्वन्तरेण (ṛtvantareṇa) - by another season

(noun)

Instrumental, neuter, singular of ṛtvantara

ṛtvantara - another season, another time

Compound type : tatpuruṣa (ṛtu+antara)

• ṛtu – season
  noun (masculine)
• antara – other, different, internal, interval
  noun (neuter)

इव (iva) - as if, like

(indeclinable)

सरिता (saritā) - by a river

(noun)

Instrumental, feminine, singular of sarit

sarit - river, stream

Root: sṛ (class 1)

इव (iva) - as if, like

(indeclinable)

अल्पैका (alpaikā) - small, little

(adjective)

Nominative, feminine, singular of alpaikā

alpaikā - small, little, minute (feminine form of alpaka or alpa with diminutive suffix)

सरित् (sarit) - river

(noun)

Nominative, feminine, singular of sarit

sarit - river, stream

Root: sṛ (class 1)

वातेन (vātena) - by the wind

(noun)

Instrumental, masculine, singular of vāta

vāta - wind, air, atmosphere

Root: vā (class 2)

आमोदलेखा (āmodalekhā) - a streak of fragrance

(noun)

Nominative, feminine, singular of āmodalekhā

āmodalekhā - line of fragrance, streak of perfume

Compound type : tatpuruṣa (āmoda+lekhā)

• āmoda – fragrance, perfume, delight
  noun (masculine)
  Prefix: ā
  Root: mud (class 1)
• lekhā – line, streak, trace, writing
  noun (feminine)
  Root: likh (class 6)

इव (iva) - as if, like

(indeclinable)

धूमलेखा (dhūmalekhā) - a streak of smoke

(noun)

Nominative, feminine, singular of dhūmalekhā

dhūmalekhā - line of smoke, streak of smoke

Compound type : tatpuruṣa (dhūma+lekhā)

• dhūma – smoke, vapor
  noun (masculine)
• lekhā – line, streak, trace, writing
  noun (feminine)
  Root: likh (class 6)

इव (iva) - as if, like

(indeclinable)

वार्मुचा (vārmucā) - by a cloud

(noun)

Instrumental, masculine, singular of vārmuc

vārmuc - cloud (lit. 'water-releasing')

Compound type : tatpuruṣa (vāri+muc)

• vāri – water
  noun (neuter)
• muc – releasing, letting loose (agent noun from root muc)
  verbal derivative (masculine)
  Agent noun
  Root: muc (class 6)