महाभारतः mahābhārataḥ - book-13, chapter-129, verse-23

अध्यात्मगतचित्तो यस्तन्मनास्तत्परायणः ।
युक्तो योगं प्रति सदा प्रतिसंख्यानमेव च ॥२३॥

23. adhyātmagatacitto yastanmanāstatparāyaṇaḥ ,
yukto yogaṁ prati sadā pratisaṁkhyānameva ca.

23. adhyātmagatacittaḥ yaḥ tatmanāḥ tatparāyaṇaḥ
yuktaḥ yogam prati sadā pratisaṃkhyānam eva ca

23. yaḥ adhyātmagatacittaḥ tatmanāḥ tatparāyaṇaḥ
sadā yogam prati pratisaṃkhyānam eva ca yuktaḥ

23. One whose consciousness is fixed on the supreme Self (adhyātma), whose mind is absorbed in it, and who regards it as the ultimate goal, remains constantly disciplined in the practice of (yoga) and in discriminative introspection.

Words meanings summery:

• अध्यात्मगतचित्तः (adhyātmagatacittaḥ) - whose mind is absorbed in the spiritual, having one's consciousness fixed on the Self

• यः (yaḥ) - who, which

• तत्मनाः (tatmanāḥ) - whose mind is fixed on that (Brahman/Self)

• तत्परायणः (tatparāyaṇaḥ) - whose ultimate refuge/goal is that (Brahman/Self)

• युक्तः (yuktaḥ) - joined, united, engaged, disciplined, absorbed

• योगम् (yogam) - discipline, practice of (yoga), union

• प्रति (prati) - towards, concerning, regarding

• सदा (sadā) - always, constantly

• प्रतिसंख्यानम् (pratisaṁkhyānam) - introspection, discriminative knowledge, contemplation

• एव (eva) - indeed, certainly, only

• च (ca) - and

Words meanings and morphology

अध्यात्मगतचित्तः (adhyātmagatacittaḥ) - whose mind is absorbed in the spiritual, having one's consciousness fixed on the Self

(adjective)

Nominative, masculine, singular of adhyātmagatacitta

adhyātmagatacitta - one whose mind is fixed on the spiritual, whose consciousness has entered the Self

Compound type : bahuvrīhi (adhyātma+gata+citta)

• adhyātma – the supreme Self, spiritual knowledge, relating to the Self
  indeclinable (neuter)
• gata – gone, entered, reached, absorbed
  adjective
  Past Passive Participle
  Root: gam (class 1)
• citta – mind, consciousness, thought, intellect
  noun (neuter)

यः (yaḥ) - who, which

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

तत्मनाः (tatmanāḥ) - whose mind is fixed on that (Brahman/Self)

(adjective)

Nominative, masculine, singular of tatmanas

tatmanas - whose mind is fixed on that

Compound type : bahuvrīhi (tad+manas)

• tad – that, he, she, it
  pronoun (neuter)
• manas – mind, intellect, understanding
  noun (neuter)

तत्परायणः (tatparāyaṇaḥ) - whose ultimate refuge/goal is that (Brahman/Self)

(adjective)

Nominative, masculine, singular of tatparāyaṇa

tatparāyaṇa - having that as the chief object or ultimate resort

Compound type : bahuvrīhi (tad+parāyaṇa)

• tad – that, he, she, it
  pronoun (neuter)
• parāyaṇa – ultimate goal, final resort, chief object
  noun (neuter)

युक्तः (yuktaḥ) - joined, united, engaged, disciplined, absorbed

(adjective)

Nominative, masculine, singular of yukta

yukta - joined, yoked, united, applied, engaged, absorbed, disciplined

Past Passive Participle

Root: yuj (class 7)

योगम् (yogam) - discipline, practice of (yoga), union

(noun)

Accusative, masculine, singular of yoga

yoga - union, conjunction, application, discipline, practice, spiritual discipline

Root: yuj (class 7)

प्रति (prati) - towards, concerning, regarding

(indeclinable)

सदा (sadā) - always, constantly

(indeclinable)

प्रतिसंख्यानम् (pratisaṁkhyānam) - introspection, discriminative knowledge, contemplation

(noun)

Accusative, neuter, singular of pratisaṃkhyāna

pratisaṁkhyāna - discriminative knowledge, introspection, reflection, contemplation

Compound type : tatpuruṣa (prati+saṃkhyāna)

• prati – prefix: re-, against, towards
  indeclinable
  Prefix: prati
• saṃkhyāna – reckoning, enumeration, computation, knowledge, understanding
  noun (neuter)
  Prefix: sam
  Root: khyā (class 2)

एव (eva) - indeed, certainly, only

(indeclinable)

च (ca) - and

(indeclinable)