योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-125, verse-57

मरुत्तहव्यगौरीशवीर्यग्रासादिखेदिताम् ।
जीवन्मुक्तो वहत्यग्निर्यथा स्थित्या समस्थितिः ॥ ५७ ॥

maruttahavyagaurīśavīryagrāsādikheditām ,
jīvanmukto vahatyagniryathā sthityā samasthitiḥ 57

57. maruttahavyagaurīśavīryagrāsādikheditām
jīvanmuktaḥ vahati agniḥ yathā sthityā samasthitiḥ

57. jīvanmuktaḥ maruttahavyagaurīśavīryagrāsādikheditām vahati.
yathā agniḥ sthityā samasthitiḥ (tām) vahati.

57. Just as Agni (fire), maintaining an equal state (samasthiti) according to its intrinsic nature, endures the distress caused by consuming the sacrificial offerings of Marutta (or the Maruts), the virility of Śiva (Gaurīśa), and so forth; similarly, a person liberated while living (jīvanmukta) endures such things.

Words meanings summery:

• मरुत्तहव्यगौरीशवीर्यग्रासादिखेदिताम् (maruttahavyagaurīśavīryagrāsādikheditām) - Refers to the difficult burden or distress that Agni, and by analogy, a `jīvanmukta`, experiences due to intense actions or substances. (the distress (caused by) consuming offerings to Maruts/Marutta, the virility of Śiva (Gaurīśa), etc.)

• जीवन्मुक्तः (jīvanmuktaḥ) - The ideal yogi who experiences worldly life without being bound by it. (a liberated-while-living person (jīvanmukta), one who has achieved liberation (mokṣa) during life)

• वहति (vahati) - Endures difficult experiences without being overcome. (bears, carries, endures, undergoes)

• अग्निः (agniḥ) - Agni, the deity known for consuming offerings and being central to Vedic rituals, and who consumed Śiva's semen. (fire, god of fire)

• यथा (yathā) - Introduces the comparison. (as, just as, according to)

• स्थित्या (sthityā) - By Agni's inherent characteristic. (by its nature, by (its) established condition, by its state)

• समस्थितिः (samasthitiḥ) - Remaining undisturbed and balanced despite external influences or consuming difficult substances. (of equal disposition, in equipoise, steady, balanced)

Words meanings and morphology

मरुत्तहव्यगौरीशवीर्यग्रासादिखेदिताम् (maruttahavyagaurīśavīryagrāsādikheditām) - Refers to the difficult burden or distress that Agni, and by analogy, a `jīvanmukta`, experiences due to intense actions or substances. (the distress (caused by) consuming offerings to Maruts/Marutta, the virility of Śiva (Gaurīśa), etc.)

(noun)

Accusative, feminine, singular of maruttahavyagaurīśavīryagrāsādikheditā

maruttahavyagaurīśavīryagrāsādikheditā - distress (kheditā) associated with (or from) the consumption (grāsa) of the offerings (havya) of Maruts/Marutta, and the virility (vīrya) of Śiva (Gaurīśa), etc. (ādi)

A large Tatpuruṣa compound ending in an abstract noun.

Compound type : tatpuruṣa (marutta+havya+gaurīśa+vīrya+grāsa+ādi+kheditā)

• marutta – King Marutta, or plural: Maruts (storm deities)
  proper noun/noun (masculine)
• havya – sacrificial offering
  noun (neuter)
  Gerundive / Future Passive Participle
  From root `hu` (to offer), meaning 'to be offered'.
  Root: hu (class 3)
• gaurīśa – Lord of Gaurī, an epithet of Śiva
  proper noun (masculine)
  Tatpuruṣa compound `gaurī` (Pārvatī) + `īśa` (lord)
• vīrya – virility, semen, strength, power
  noun (neuter)
  Root: vīr
• grāsa – consuming, devouring, morsel
  noun (masculine)
  From root `gras` (to devour)
  Root: gras (class 1)
• ādi – and so on, beginning, etc.
  indeclinable
• kheditā – distress, weariness, affliction
  noun (feminine)
  Abstract noun from `khedita` (PPP of `khid`) + `tā` (abstract suffix)
  Root: khid (class 7)

Note: Object of `vahati`.

जीवन्मुक्तः (jīvanmuktaḥ) - The ideal yogi who experiences worldly life without being bound by it. (a liberated-while-living person (jīvanmukta), one who has achieved liberation (mokṣa) during life)

(noun)

Nominative, masculine, singular of jīvanmukta

jīvanmukta - liberated while living, one who has achieved final liberation (mokṣa) during life

Compound of `jīvan` (living, present participle of `jīv`) and `mukta` (liberated, past passive participle of `muc`)

Compound type : karmadhāraya (jīvan+mukta)

• jīvan – living, alive
  adjective (masculine)
  Present Active Participle
  From root `jīv` (to live)
  Root: jīv (class 1)
• mukta – liberated, released, free
  adjective (masculine)
  Past Passive Participle
  From root `muc` (to release, free)
  Root: muc (class 6)

Note: Subject of the implicit comparison.

वहति (vahati) - Endures difficult experiences without being overcome. (bears, carries, endures, undergoes)

(verb)

3rd person , singular, active, present (laṭ) of vah

present active

3rd person singular, present tense, active voice

Root: vah (class 1)

Note: Verb for both `agniḥ` and the implied `jīvanmuktaḥ`.

अग्निः (agniḥ) - Agni, the deity known for consuming offerings and being central to Vedic rituals, and who consumed Śiva's semen. (fire, god of fire)

(noun)

Nominative, masculine, singular of agni

agni - fire, god of fire, a sacrificial fire

Note: Subject of the comparison.

यथा (yathā) - Introduces the comparison. (as, just as, according to)

(indeclinable)

स्थित्या (sthityā) - By Agni's inherent characteristic. (by its nature, by (its) established condition, by its state)

(noun)

Instrumental, feminine, singular of sthiti

sthiti - state, condition, position, existence, intrinsic nature

From root `sthā` (to stand)

Root: sthā (class 1)

Note: Indicates the means or cause.

समस्थितिः (samasthitiḥ) - Remaining undisturbed and balanced despite external influences or consuming difficult substances. (of equal disposition, in equipoise, steady, balanced)

(adjective)

Nominative, masculine, singular of samasthiti

samasthiti - equal state, equipoise, steady disposition

Bahuvrīhi compound `sama` (equal) + `sthiti` (state, position)

Compound type : bahuvrīhi (sama+sthiti)

• sama – equal, same, even, balanced
  adjective
• sthiti – state, condition, position, existence
  noun (feminine)
  From root `sthā` (to stand)
  Root: sthā (class 1)

Note: Agrees with `agniḥ`.