योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-25, verse-71

प्राणापानरथारूढं प्राणापानमनाततम् ।
यच्छक्तिरूपं शक्तीनां तच्चित्तत्त्वमुपास्महे ॥ ७१ ॥

prāṇāpānarathārūḍhaṃ prāṇāpānamanātatam ,
yacchaktirūpaṃ śaktīnāṃ taccittattvamupāsmahe 71

71. prāṇa-apāna-ratha-ārūḍham prāṇa-apānam an-ātatam
yat śakti-rūpam śaktīnām tat citta-tattvam upāsmahe

71. yat prāṇa-apāna-ratha-ārūḍham yat ca prāṇa-apānam an-ātatam
yat śaktīnām śakti-rūpam tat citta-tattvam upāsmahe

71. We venerate that fundamental reality of consciousness (citta-tattva) which is mounted upon the chariot of the vital energies (prāṇa and apāna), where these vital energies (prāṇa and apāna) are not extended or dispersed but contained, and which is the very essence of power (śakti) among all powers.

Words meanings summery:

• प्राण-अपान-रथ-आरूढम् (prāṇa-apāna-ratha-ārūḍham) - mounted upon the chariot of the vital energies (prāṇa and apāna) (mounted on the chariot of prāṇa and apāna)

• प्राण-अपानम् (prāṇa-apānam) - the vital energies (prāṇa and apāna) (prāṇa and apāna)

• अन्-आततम् (an-ātatam) - not extended or dispersed but contained (not stretched, not extended, not expanded, contained)

• यत् (yat) - which (which, what)

• शक्ति-रूपम् (śakti-rūpam) - the very essence/form of power (śakti) (the form of power/energy)

• शक्तीनाम् (śaktīnām) - among all powers (of powers, among powers)

• तत् (tat) - that (that, that (thing))

• चित्त-तत्त्वम् (citta-tattvam) - the fundamental reality of consciousness (citta-tattva) (the reality/essence of consciousness)

• उपास्महे (upāsmahe) - we venerate, we worship (we worship, we serve, we attend to)

Words meanings and morphology

प्राण-अपान-रथ-आरूढम् (prāṇa-apāna-ratha-ārūḍham) - mounted upon the chariot of the vital energies (prāṇa and apāna) (mounted on the chariot of prāṇa and apāna)

(adjective)

Accusative, neuter, singular of prāṇa-apāna-ratha-ārūḍha

prāṇa-apāna-ratha-ārūḍha - mounted on the chariot of prāṇa and apāna

Compound type : tatpurusha (prāṇa+apāna+ratha+ārūḍha)

• prāṇa – vital breath, life force, inhalation
  noun (masculine)
  From √an (to breathe) with prefix pra-
  Prefix: pra
  Root: an (class 2)
• apāna – downward-moving vital breath, exhalation
  noun (masculine)
  From √an (to breathe) with prefix apa-
  Prefix: apa
  Root: an (class 2)
• ratha – chariot, car, vehicle
  noun (masculine)
• ārūḍha – mounted, ascended, climbed
  adjective (masculine)
  Past Passive Participle
  From root ruh (to grow, to ascend) with prefix ā-
  Prefix: ā
  Root: ruh (class 1)

Note: Agrees with 'tat citta-tattvam'.

प्राण-अपानम् (prāṇa-apānam) - the vital energies (prāṇa and apāna) (prāṇa and apāna)

(noun)

Accusative, masculine, dual of prāṇa-apāna

prāṇa-apāna - prāṇa and apāna (the two principal vital breaths)

Compound type : dvandva (prāṇa+apāna)

• prāṇa – vital breath, life force, inhalation
  noun (masculine)
  From √an (to breathe) with prefix pra-
  Prefix: pra
  Root: an (class 2)
• apāna – downward-moving vital breath, exhalation
  noun (masculine)
  From √an (to breathe) with prefix apa-
  Prefix: apa
  Root: an (class 2)

Note: Used as an object or in apposition to 'citta-tattva'.

अन्-आततम् (an-ātatam) - not extended or dispersed but contained (not stretched, not extended, not expanded, contained)

(adjective)

Accusative, neuter, singular of an-ātata

an-ātata - not stretched, not extended, not expanded, contained

Negative Past Passive Participle

From root tan (to stretch) with prefix ā- and negative particle an-

Compound type : pradi-samāsa (an+ātata)

• an – not, un-
  indeclinable
  Negative prefix
• ātata – stretched, extended, diffused
  adjective (masculine)
  Past Passive Participle
  From root tan (to stretch) with prefix ā-
  Prefix: ā
  Root: tan (class 8)

Note: Agrees with 'tat citta-tattvam'.

यत् (yat) - which (which, what)

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, that which

Note: Relative pronoun, refers to 'citta-tattvam'.

शक्ति-रूपम् (śakti-rūpam) - the very essence/form of power (śakti) (the form of power/energy)

(noun)

Nominative, neuter, singular of śakti-rūpa

śakti-rūpa - form of power, embodiment of energy

Compound type : tatpurusha (śakti+rūpa)

• śakti – power, energy, capability, creative force (śakti)
  noun (feminine)
  From root śak (to be able)
  Root: śak (class 5)
• rūpa – form, shape, appearance, nature
  noun (neuter)

Note: Predicate nominative for 'yat'.

शक्तीनाम् (śaktīnām) - among all powers (of powers, among powers)

(noun)

Genitive, feminine, plural of śakti

śakti - power, energy, capability, creative force (śakti)

From root śak (to be able)

Root: śak (class 5)

Note: Genitive plural, indicating 'among' or 'of'.

तत् (tat) - that (that, that (thing))

(pronoun)

Accusative, neuter, singular of tad

tad - that, that one, such

Note: Demonstrative pronoun.

चित्त-तत्त्वम् (citta-tattvam) - the fundamental reality of consciousness (citta-tattva) (the reality/essence of consciousness)

(noun)

Accusative, neuter, singular of citta-tattva

citta-tattva - the reality of consciousness, the essence of mind/thought

Compound type : tatpurusha (citta+tattva)

• citta – mind, consciousness, thought
  noun (neuter)
  Past Passive Participle
  From root cit (to perceive, to know)
  Root: cit (class 1)
• tattva – reality, truth, essence, principle, fundamental nature
  noun (neuter)
  From pronoun tad (that) + suffix -tva

Note: Object of the verb 'upāsmahe'.

उपास्महे (upāsmahe) - we venerate, we worship (we worship, we serve, we attend to)

(verb)

1st person , plural, middle, present (laṭ) of upās

Root ās (to sit) with prefix upa-

Prefix: upa

Root: ās (class 2)

Note: First person plural, Ātmanepada.