योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-57, verse-30

तस्यैवाभ्यसतोऽप्येति साधिभौतिकतामतिः ।
यदा शाम्यति सैवास्य तदा पूर्वा प्रवर्तते ॥ ३० ॥

tasyaivābhyasato'pyeti sādhibhautikatāmatiḥ ,
yadā śāmyati saivāsya tadā pūrvā pravartate 30

30. tasya eva abhyasataḥ api eti sa-adhibhautikatā-matiḥ
yadā śāmyati sā eva asya tadā pūrvā pravartate

30. yadā abhyasataḥ tasya api sa-adhibhautikatā-matiḥ
eti yadā eva asya sā śāmyati tadā pūrvā pravartate

30. Even for one who practices, the intellect's tendency (mati) to perceive things as purely material (sādhibhautikatā) arises. But when that very tendency of his calms down, then his previous, non-materialistic understanding (mati) prevails.

Words meanings summery:

• तस्य (tasya) - of him (the practitioner) (of that, of him, of it)

• एव (eva) - even (indeed, only, certainly, even)

• अभ्यसतः (abhyasataḥ) - of one who is practicing (of one who practices, by one who practices)

• अपि (api) - even (also, even, too)

• एति (eti) - arises, comes (goes, comes, attains)

• स-अधिभौतिकता-मतिः (sa-adhibhautikatā-matiḥ) - the intellect's tendency to perceive things as purely material (an intellect/mind inclined towards material things, an intellect possessing materiality)

• यदा (yadā) - when

• शाम्यति (śāmyati) - calms down (calms down, ceases, becomes quiet)

• सा (sā) - that (tendency/intellect) (that (feminine))

• एव (eva) - very (that very tendency) (indeed, only, certainly, even)

• अस्य (asya) - of his (the practitioner) (of this, of him, of it)

• तदा (tadā) - then (then, at that time)

• पूर्वा (pūrvā) - his previous (non-materialistic) understanding (former, previous, earlier)

• प्रवर्तते (pravartate) - prevails (proceeds, prevails, functions)

Words meanings and morphology

तस्य (tasya) - of him (the practitioner) (of that, of him, of it)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, it

एव (eva) - even (indeed, only, certainly, even)

(indeclinable)

अभ्यसतः (abhyasataḥ) - of one who is practicing (of one who practices, by one who practices)

(adjective)

Genitive, masculine, singular of abhyasat

abhyasat - practicing

Present Active Participle

Derived from root 'as' (to throw, to be, to sit) with prefix 'abhi' meaning to practice.

Prefix: abhi

Root: as (class 4)

Note: Acts as a noun here.

अपि (api) - even (also, even, too)

(indeclinable)

एति (eti) - arises, comes (goes, comes, attains)

(verb)

3rd person , singular, active, present (laṭ) of i

Present tense, 3rd person singular

Root: i (class 2)

स-अधिभौतिकता-मतिः (sa-adhibhautikatā-matiḥ) - the intellect's tendency to perceive things as purely material (an intellect/mind inclined towards material things, an intellect possessing materiality)

(noun)

Nominative, feminine, singular of sa-adhibhautikatā-mati

sa-adhibhautikatā-mati - an intellect imbued with materiality

Compound type : tatpurusha (sa-adhibhautikatā+mati)

• sa-adhibhautikatā – having relation to material/physical world, materiality
  noun (feminine)
  Derived from adhibhūta (related to material elements) with suffix -tā and prefix sa-.
  Prefix: sa
• mati – intellect, mind, understanding, thought
  noun (feminine)
  Root: man (class 4)

यदा (yadā) - when

(indeclinable)

शाम्यति (śāmyati) - calms down (calms down, ceases, becomes quiet)

(verb)

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

Present tense, 3rd person singular

Root: śam (class 4)

सा (sā) - that (tendency/intellect) (that (feminine))

(pronoun)

Nominative, feminine, singular of tad

tad - that

एव (eva) - very (that very tendency) (indeed, only, certainly, even)

(indeclinable)

अस्य (asya) - of his (the practitioner) (of this, of him, of it)

(pronoun)

Genitive, masculine, singular of idam

idam - this, he, it

तदा (tadā) - then (then, at that time)

(indeclinable)

पूर्वा (pūrvā) - his previous (non-materialistic) understanding (former, previous, earlier)

(adjective)

Nominative, feminine, singular of pūrva

pūrva - former, previous, earlier

प्रवर्तते (pravartate) - prevails (proceeds, prevails, functions)

(verb)

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

Present tense, 3rd person singular

Prefix: pra

Root: vṛt (class 1)