योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-112, verse-2

जायते म्रियते चैषा मनसस्तीव्रवेगिता ।
सौम्याम्बुबुद्बुदालीव निर्निमित्ता स्वभावतः ॥ २ ॥

jāyate mriyate caiṣā manasastīvravegitā ,
saumyāmbubudbudālīva nirnimittā svabhāvataḥ 2

2. jāyate mriyate ca eṣā manasaḥ tīvravegitā
saumyāmbu-budbudā-ālī iva nirnimittā svabhāvataḥ

2. eṣā manasaḥ tīvravegitā jāyate ca mriyate ca
saumyāmbu-budbudā-ālī iva nirnimittā svabhāvataḥ

2. This intense swiftness of the mind arises and ceases, just like a multitude of gentle water-bubbles, without any external cause, due to its intrinsic nature (svabhāva).

Words meanings summery:

• जायते (jāyate) - arises (is born, arises, comes into being)

• म्रियते (mriyate) - ceases (dies, ceases to exist)

• च (ca) - and (and, also)

• एषा (eṣā) - this (this (feminine))

• मनसः (manasaḥ) - of the mind (of the mind, from the mind)

• तीव्रवेगिता (tīvravegitā) - intense swiftness (intense swiftness, great velocity, extreme fickleness)

• सौम्याम्बु-बुद्बुदा-आली (saumyāmbu-budbudā-ālī) - a multitude of gentle water-bubbles (a series of gentle water-bubbles)

• इव (iva) - just like (like, as, as if)

• निर्निमित्ता (nirnimittā) - without any external cause (without cause, causeless)

• स्वभावतः (svabhāvataḥ) - due to its intrinsic nature (svabhāva) (by its own nature, naturally)

Words meanings and morphology

जायते (jāyate) - arises (is born, arises, comes into being)

(verb)

3rd person , singular, middle, present (laṭ) of jan

Present middle

From root jan (4th class, middle voice).

Root: jan (class 4)

म्रियते (mriyate) - ceases (dies, ceases to exist)

(verb)

3rd person , singular, middle, present (laṭ) of mṛ

Present middle

From root mṛ (6th class, middle voice).

Root: mṛ (class 6)

च (ca) - and (and, also)

(indeclinable)

Conjunction.

एषा (eṣā) - this (this (feminine))

(pronoun)

Nominative, feminine, singular of etad

etad - this

मनसः (manasaḥ) - of the mind (of the mind, from the mind)

(noun)

Genitive, neuter, singular of manas

manas - mind, intellect, understanding, heart, soul

s-stem noun.

Root: man (class 4)

Note: Possessive, modifying tīvravegitā.

तीव्रवेगिता (tīvravegitā) - intense swiftness (intense swiftness, great velocity, extreme fickleness)

(noun)

Nominative, feminine, singular of tīvravegitā

tīvravegitā - intense swiftness, great velocity, extreme fickleness

Feminine abstract noun formed from the adjective tīvravegita (endowed with intense speed). tīvravegita itself is a compound of tīvra (intense) and vega (speed), with the possessive suffix ita.

Note: Subject of jāyate and mriyate.

सौम्याम्बु-बुद्बुदा-आली (saumyāmbu-budbudā-ālī) - a multitude of gentle water-bubbles (a series of gentle water-bubbles)

(noun)

Nominative, feminine, singular of saumyāmbu-budbudā-ālī

saumyāmbu-budbudā-ālī - series of gentle water-bubbles

Compound noun.

Compound type : tatpurusha (saumya+ambu+budbuda+ālī)

• saumya – gentle, mild, moon-like, charming
  adjective (masculine/feminine/neuter)
• ambu – water
  noun (neuter)
• budbuda – bubble, blister
  noun (masculine)
• ālī – row, line, series, multitude
  noun (feminine)

Note: Forms part of the simile.

इव (iva) - just like (like, as, as if)

(indeclinable)

Particle indicating comparison.

निर्निमित्ता (nirnimittā) - without any external cause (without cause, causeless)

(adjective)

Nominative, feminine, singular of nirnimitta

nirnimitta - without cause, motiveless, groundless

Compound adjective (bahuvrīhi or avyayībhāva).

Compound type : bahuvrīhi (nis+nimitta)

• nis – without, out, free from
  indeclinable
  Negative/privative prefix.
• nimitta – cause, reason, sign, omen
  noun (neuter)

Note: Agrees with tīvravegitā.

स्वभावतः (svabhāvataḥ) - due to its intrinsic nature (svabhāva) (by its own nature, naturally)

(indeclinable)

Adverbial formation from svabhāva (own nature) with suffix tas.