योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-111, verse-18

उपासैको दिगन्तेषु शान्तशून्यवपुः श्वसन् ।
दूयमानमनाः प्राप तमेव पितरं गुरुम् ॥ १८ ॥

upāsaiko diganteṣu śāntaśūnyavapuḥ śvasan ,
dūyamānamanāḥ prāpa tameva pitaraṃ gurum 18

18. upāsaḥ ekaḥ diganteṣu śāntaśūnyavapuḥ śvasan
dūyamānamanāḥ prāpa tam eva pitaram gurum

18. ekaḥ śāntaśūnyavapuḥ śvasan dūyamānamanāḥ
diganteṣu upāsaḥ tam eva pitaram gurum prāpa

18. Remaining alone in remote regions, his body calm and void, breathing gently, his mind distressed, he approached that very father, his spiritual teacher (guru).

Words meanings summery:

• उपासः (upāsaḥ) - one who sits near, worships, meditates

• एकः (ekaḥ) - one, alone, solitary

• दिगन्तेषु (diganteṣu) - in the ends of the directions, in remote regions

• शान्तशून्यवपुः (śāntaśūnyavapuḥ) - whose body is calm and void

• श्वसन् (śvasan) - breathing

• दूयमानमनाः (dūyamānamanāḥ) - whose mind is distressed/troubled

• प्राप (prāpa) - he obtained, reached, approached

• तम् (tam) - him, that

• एव (eva) - indeed, even, very

• पितरम् (pitaram) - father

• गुरुम् (gurum) - teacher, spiritual guide

Words meanings and morphology

उपासः (upāsaḥ) - one who sits near, worships, meditates

(noun)

Nominative, masculine, singular of upāsa

upāsa - one who sits near, worshipper, meditator

Derived from upa-ās

Prefix: upa

Root: ās (class 2)

Note: A noun formed from the root ās (to sit) with prefix upa-.

एकः (ekaḥ) - one, alone, solitary

(adjective)

Nominative, masculine, singular of eka

eka - one, alone, solitary, unique

Note: Qualifies the implied subject (Kaca).

दिगन्तेषु (diganteṣu) - in the ends of the directions, in remote regions

(noun)

Locative, masculine, plural of diganta

diganta - end of a direction, horizon, remote region

Compound type : tatpuruṣa (diś+anta)

• diś – direction, quarter, region
  noun (feminine)
• anta – end, boundary, vicinity
  noun (masculine)

शान्तशून्यवपुः (śāntaśūnyavapuḥ) - whose body is calm and void

(adjective)

Nominative, masculine, singular of śāntaśūnyavapus

śāntaśūnyavapus - having a body that is calm and empty/void

Compound type : bahuvrīhi (śānta+śūnya+vapus)

• śānta – calm, tranquil, peaceful
  participle (masculine)
  Past Passive Participle
  Derived from root śam (to be calm)
  Root: śam (class 4)
• śūnya – empty, void, deserted
  adjective (masculine)
• vapus – body, form, figure
  noun (neuter)

Note: Qualifies the implied subject (Kaca).

श्वसन् (śvasan) - breathing

(participle)

Nominative, masculine, singular of śvasat

śvasat - breathing, exhaling

Present Active Participle

Derived from root śvas (to breathe)

Root: śvas (class 2)

Note: Qualifies the implied subject (Kaca).

दूयमानमनाः (dūyamānamanāḥ) - whose mind is distressed/troubled

(adjective)

Nominative, masculine, singular of dūyamānamanas

dūyamānamanas - having a distressed or troubled mind

Compound type : bahuvrīhi (dūyamāna+manas)

• dūyamāna – being distressed, grieving, troubled
  participle (masculine)
  Present Middle Passive Participle
  Derived from root dū (to grieve, suffer) in passive voice, with śānac suffix.
  Root: dū (class 9)
• manas – mind, intellect, thought
  noun (neuter)

Note: Qualifies the implied subject (Kaca).

प्राप (prāpa) - he obtained, reached, approached

(verb)

3rd person , singular, active, perfect (liṭ) of prāpa

Perfect 3rd singular active

Perfect Tense, 3rd person singular. Form of pra-āp.

Prefix: pra

Root: āp (class 5)

तम् (tam) - him, that

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

Note: Refers to the father/guru.

एव (eva) - indeed, even, very

(indeclinable)

Particle for emphasis

Note: Adds emphasis to 'tam'.

पितरम् (pitaram) - father

(noun)

Accusative, masculine, singular of pitṛ

pitṛ - father, ancestor

Note: Object of 'prāpa'.

गुरुम् (gurum) - teacher, spiritual guide

(noun)

Accusative, masculine, singular of guru

guru - teacher, spiritual master, heavy, important (guru)

Note: Appositive to 'pitaram'.