योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-33, verse-12

परलोकमहाव्याधौ प्रयतन्ते चिकित्सनम् ।
शमसत्सङ्गबोधाख्यैरमृतैः पुरुषोत्तमाः ॥ १२ ॥

paralokamahāvyādhau prayatante cikitsanam ,
śamasatsaṅgabodhākhyairamṛtaiḥ puruṣottamāḥ 12

12. para-loka-mahā-vyādhau pra-yatante cikitsanam
śama-sat-saṅga-bodha-ākhyaiḥ amṛtaiḥ puruṣa-uttamāḥ

12. puruṣa-uttamāḥ para-loka-mahā-vyādhau
śama-sat-saṅga-bodha-ākhyaiḥ amṛtaiḥ cikitsanam pra-yatante

12. The excellent persons (puruṣottamāḥ) strive for treatment in the great disease of the other world, using nectars named tranquility, association with the good (satsaṅga), and enlightenment.

Words meanings summery:

• पर-लोक-महा-व्याधौ (para-loka-mahā-vyādhau) - referring to the suffering inherent in the cycle of rebirth (saṃsāra) (in the great disease of the other world)

• प्र-यतन्ते (pra-yatante) - they strive, they endeavor, they make effort

• चिकित्सनम् (cikitsanam) - treatment, healing

• शम-सत्-सङ्ग-बोध-आख्यैः (śama-sat-saṅga-bodha-ākhyaiḥ) - by those called tranquility, good company (satsaṅga), and enlightenment

• अमृतैः (amṛtaiḥ) - by nectars, by elixirs

• पुरुष-उत्तमाः (puruṣa-uttamāḥ) - those who are spiritually advanced and strive for true liberation (mokṣa) (excellent persons, supreme among men)

Words meanings and morphology

पर-लोक-महा-व्याधौ (para-loka-mahā-vyādhau) - referring to the suffering inherent in the cycle of rebirth (saṃsāra) (in the great disease of the other world)

(noun)

Locative, masculine, singular of paralokamahāvyādhi

paralokamahāvyādhi - the great disease of the other world

Compound of 'paraloka' (other world), 'mahā' (great), and 'vyādhi' (disease). It is a tatpurusha compound, where 'mahāvyādhi' is a karmadhāraya compound, and 'paraloka' modifies 'mahāvyādhi'

Compound type : tatpuruṣa (paraloka+mahāvyādhi)

• paraloka – the other world, the next world
  noun (masculine)
  Compound of 'para' (other) and 'loka' (world)
• mahāvyādhi – great disease, serious ailment
  noun (masculine)
  Compound of 'mahā' (great) and 'vyādhi' (disease)

प्र-यतन्ते (pra-yatante) - they strive, they endeavor, they make effort

(verb)

3rd person , plural, middle, present indicative (laṭ) of prayat

Root 'yat' (to strive) with prefix 'pra' (forth, forward)

Prefix: pra

Root: yat (class 1)

चिकित्सनम् (cikitsanam) - treatment, healing

(noun)

Accusative, neuter, singular of cikitsana

cikitsana - treatment, healing, practice of medicine

Noun form of desiderative root 'cikitsa' (to desire to cure)

Root: kit

Note: Direct object of 'prayatante'.

शम-सत्-सङ्ग-बोध-आख्यैः (śama-sat-saṅga-bodha-ākhyaiḥ) - by those called tranquility, good company (satsaṅga), and enlightenment

(adjective)

Instrumental, masculine, plural of śamasatsaṅgabodhākhya

śamasatsaṅgabodhākhya - named tranquility, good company (satsaṅga), and enlightenment

Bahuvrihi compound 'ākhya' (named, called) preceded by a dvandva compound of 'śama' (tranquility), 'satsaṅga' (good company), and 'bodha' (enlightenment)

Compound type : bahuvrīhi (śama+satsaṅga+bodha+ākhya)

• śama – tranquility, calmness, mental peace
  noun (masculine)
  From root 'śam' (to be tranquil)
  Root: śam (class 4)
• satsaṅga – association with the good, company of virtuous people (satsaṅga)
  noun (masculine)
  Compound of 'sat' (good, true) and 'saṅga' (association)
• bodha – knowledge, understanding, enlightenment
  noun (masculine)
  From root 'budh' (to know, to awaken)
  Root: budh (class 1)
• ākhya – named, called, having the name of
  adjective (masculine)
  From root 'khyā' (to name, to tell) with prefix 'ā'
  Prefix: ā
  Root: khyā (class 2)

अमृतैः (amṛtaiḥ) - by nectars, by elixirs

(noun)

Instrumental, neuter, plural of amṛta

amṛta - nectar, elixir, immortality, deathless

Past Passive Participle (when adjective)

From 'a-' (not) + 'mṛta' (dead)

Prefix: a

Root: mṛ (class 6)

पुरुष-उत्तमाः (puruṣa-uttamāḥ) - those who are spiritually advanced and strive for true liberation (mokṣa) (excellent persons, supreme among men)

(noun)

Nominative, masculine, plural of puruṣottama

puruṣottama - best among men, excellent person, supreme person (puruṣa)

Compound of 'puruṣa' (person, man) and 'uttama' (best, supreme)

Compound type : tatpuruṣa (puruṣa+uttama)

• puruṣa – person, man, male, spirit, cosmic person (puruṣa)
  noun (masculine)
  Root: pṛ (class 5)
• uttama – best, supreme, highest, excellent
  adjective (masculine)
  Superlative of 'ud' (up)

Note: Subject of the verb 'prayatante'.