योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-16, verse-7

भव्ये तु शान्तमनसि लगत्यभ्येत्यविच्युतिम् ।
प्रविश्यान्तर्विचाराख्यामर्चिरर्कमणौ यथा ॥ ७ ॥

bhavye tu śāntamanasi lagatyabhyetyavicyutim ,
praviśyāntarvicārākhyāmarcirarkamaṇau yathā 7

7. bhavye tu śāntamanasi lagati abhyetya avicyutim
praviśya antaḥ vicārākhyām arciḥ arkamaṇau yathā

7. bhavye śāntamanasi tu avicyutim abhyetya lagati
antaḥ praviśya vicārākhyām arciḥ arkamaṇau yathā

7. But in a suitable and peaceful mind (manas), it adheres, reaching steadfastness. Having penetrated within, it becomes known as the flame of inquiry (vicāra), just as a ray of light (arciḥ) becomes one with a sun-gem (arkamaṇi).

Words meanings summery:

• भव्ये (bhavye) - in a suitable, proper

• तु (tu) - but, on the other hand

• शान्तमनसि (śāntamanasi) - in a peaceful mind

• लगति (lagati) - adheres, sticks, touches

• अभ्येत्य (abhyetya) - having approached, having reached

• अविच्युतिम् (avicyutim) - immovability, unshakeability, steadfastness

• प्रविश्य (praviśya) - having entered, having penetrated

• अन्तः (antaḥ) - inside, within

• विचाराख्याम् (vicārākhyām) - named inquiry, having the name inquiry (vicāra)

• अर्चिः (arciḥ) - flame, ray of light, lustre

• अर्कमणौ (arkamaṇau) - in a sun-gem, in a crystal (that attracts sun's rays)

• यथा (yathā) - as, just as

Words meanings and morphology

भव्ये (bhavye) - in a suitable, proper

(adjective)

Locative, neuter, singular of bhavya

bhavya - suitable, proper, auspicious, future, capable

Gerundive

from root bhū- (to be)

Root: bhū (class 1)

तु (tu) - but, on the other hand

(indeclinable)

शान्तमनसि (śāntamanasi) - in a peaceful mind

(noun)

Locative, neuter, singular of śāntamanas

śāntamanas - peaceful mind, calm mind

Compound type : tatpuruṣa (śānta+manas)

• śānta – calm, peaceful, quiet
  adjective (neuter)
  Past Passive Participle
  from root śam- (to be calm)
  Root: śam (class 4)
• manas – mind, intellect, thought
  noun (neuter)

लगति (lagati) - adheres, sticks, touches

(verb)

3rd person , singular, active, present (lat) of lag

Root: lag (class 1)

अभ्येत्य (abhyetya) - having approached, having reached

(indeclinable)

absolutive/gerund

from abhi- + i- (to go)

Prefix: abhi

Root: i (class 2)

अविच्युतिम् (avicyutim) - immovability, unshakeability, steadfastness

(noun)

Accusative, feminine, singular of avicyuti

avicyuti - immutability, unshakeability, steadfastness, non-deviation

from a- (negation) + vicyuti (deviation, fall)

Compound type : tatpuruṣa (a+vicyuti)

• a – not, un-
  indeclinable
  negation prefix
• vicyuti – deviation, fall, lapse
  noun (feminine)
  from vi- + cyu- (to move, fall)
  Prefix: vi
  Root: cyu (class 1)

प्रविश्य (praviśya) - having entered, having penetrated

(indeclinable)

absolutive/gerund

from pra- + viś- (to enter)

Prefix: pra

Root: viś (class 6)

अन्तः (antaḥ) - inside, within

(indeclinable)

विचाराख्याम् (vicārākhyām) - named inquiry, having the name inquiry (vicāra)

(adjective)

Accusative, feminine, singular of vicārākhyā

vicārākhyā - named inquiry, having the name inquiry (vicāra)

Compound type : tatpuruṣa (vicāra+ākhyā)

• vicāra – inquiry, investigation, deliberation, discernment
  noun (masculine)
  from vi- + car- (to move, go about)
  Prefix: vi
  Root: car (class 1)
• ākhyā – name, appellation, fame
  noun (feminine)
  from ā- + khyā- (to tell, name)
  Prefix: ā
  Root: khyā (class 2)

अर्चिः (arciḥ) - flame, ray of light, lustre

(noun)

Nominative, neuter, singular of arcis

arcis - flame, ray of light, brilliance, lustre

अर्कमणौ (arkamaṇau) - in a sun-gem, in a crystal (that attracts sun's rays)

(noun)

Locative, masculine, singular of arkamaṇi

arkamaṇi - sun-gem, crystal (magnifying glass, burning lens)

Compound type : tatpuruṣa (arka+maṇi)

• arka – sun, ray of light
  noun (masculine)
• maṇi – jewel, gem, crystal
  noun (masculine)

यथा (yathā) - as, just as

(indeclinable)