योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-92, verse-28

शरीरनगरे नाडीमार्गैर्गतिनिरर्गलः ।
रसभाण्डे परावर्तादायुर्मणिमहावणिक् ॥ २८ ॥

śarīranagare nāḍīmārgairgatinirargalaḥ ,
rasabhāṇḍe parāvartādāyurmaṇimahāvaṇik 28

28. śarīranagare nāḍīmārgaiḥ gatinirargalaḥ
rasabhāṇḍe parāvartāt āyurmaṇimahāvaṇik

28. śarīranagare nāḍīmārgaiḥ gatinirargalaḥ
rasabhāṇḍe parāvartāt āyurmaṇimahāvaṇik

28. In the body (śarīra) as a city, its movement is unimpeded through the channels (nāḍī). It is a great merchant of the jewel of longevity (āyus) due to its circulation within the repository of vital essence (rasa).

Words meanings summery:

• शरीरनगरे (śarīranagare) - in the city of the body

• नाडीमार्गैः (nāḍīmārgaiḥ) - through the channels, by means of the nāḍī passages

• गतिनिरर्गलः (gatinirargalaḥ) - unimpeded in movement, having free flow

• रसभाण्डे (rasabhāṇḍe) - in the vessel of rasa (nutritive fluid)

• परावर्तात् (parāvartāt) - from circulation, from exchange, from turning back

• आयुर्मणिमहावणिक् (āyurmaṇimahāvaṇik) - a great merchant of the jewel of life/longevity

Words meanings and morphology

शरीरनगरे (śarīranagare) - in the city of the body

(noun)

Locative, neuter, singular of śarīranagara

śarīranagara - the body as a city

Compound of śarīra (body) and nagara (city).

Compound type : karmadhāraya (śarīra+nagara)

• śarīra – body, corporeal frame (śarīra)
  noun (neuter)
  Root: śṛ
• nagara – city, town
  noun (neuter)

Note: Refers to the location of the action.

नाडीमार्गैः (nāḍīmārgaiḥ) - through the channels, by means of the nāḍī passages

(noun)

Instrumental, masculine, plural of nāḍīmārga

nāḍīmārga - path of the channels, passage of the nāḍīs

Compound of nāḍī (channel) and mārga (path).

Compound type : tatpurusha (nāḍī+mārga)

• nāḍī – tube, channel, pulse, nerve, artery (nāḍī)
  noun (feminine)
• mārga – path, road, way, channel
  noun (masculine)
  Derived from root mṛj (to rub, cleanse) + ghañ suffix.
  Root: mṛj (class 2)

Note: Instrument of movement.

गतिनिरर्गलः (gatinirargalaḥ) - unimpeded in movement, having free flow

(adjective)

Nominative, masculine, singular of gatinirargala

gatinirargala - one whose movement is unimpeded

Compound of gati (movement) + nirargala (unimpeded, barrier-free).

Compound type : bahuvrīhi (gati+nirargala)

• gati – movement, going, path, course
  noun (feminine)
  Derived from root gam (to go) + kti suffix.
  Root: gam (class 1)
• nirargala – unimpeded, unbarred, free, unobstructed
  adjective (masculine)
  nis (without) + argala (bolt, impediment).
  Prefix: nis

Note: Refers to the subject.

रसभाण्डे (rasabhāṇḍe) - in the vessel of rasa (nutritive fluid)

(noun)

Locative, neuter, singular of rasabhāṇḍa

rasabhāṇḍa - vessel for rasa, repository of essential fluids

Compound of rasa (fluid) + bhāṇḍa (vessel).

Compound type : tatpurusha (rasa+bhāṇḍa)

• rasa – juice, essence, fluid, taste, sentiment (rasa)
  noun (masculine)
  Root: ras (class 1)
• bhāṇḍa – vessel, pot, receptacle, goods, merchandise
  noun (neuter)

Note: Location for parāvartāt.

परावर्तात् (parāvartāt) - from circulation, from exchange, from turning back

(noun)

Ablative, masculine, singular of parāvarta

parāvarta - turning back, revolving, circulation, exchange

Derived from parā + vṛt (to turn) + ghañ suffix.

Prefix: parā

Root: vṛt (class 1)

Note: Indicates the reason or origin.

आयुर्मणिमहावणिक् (āyurmaṇimahāvaṇik) - a great merchant of the jewel of life/longevity

(noun)

Nominative, masculine, singular of āyurmaṇimahāvaṇij

āyurmaṇimahāvaṇij - a great merchant who deals in the jewel of longevity

Compound of āyurmaṇi (jewel of life) and mahāvaṇij (great merchant).

Compound type : tatpurusha (āyurmaṇi+mahāvaṇij)

• āyurmaṇi – jewel of longevity, life-jewel
  noun (masculine)
  Compound of āyus (life) and maṇi (jewel).
• mahāvaṇij – great merchant
  noun (masculine)
  Compound of mahā (great) and vaṇij (merchant).

Note: Predicate nominative for the implied subject.