योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-55, verse-14

मरणं जीवितं वास्तु सहजे वासने तयोः ।
इति विश्रान्तचित्तोयः सोऽन्तःशीतल उच्यते ॥ १४ ॥

maraṇaṃ jīvitaṃ vāstu sahaje vāsane tayoḥ ,
iti viśrāntacittoyaḥ so'ntaḥśītala ucyate 14

14. maraṇam jīvitam vā astu sahaje vāsane tayoḥ
iti viśrāntacittaḥ yaḥ saḥ antaḥśītalaḥ ucyate

14. yaḥ maraṇam jīvitam vā astu iti tayoḥ sahaje
vāsane iti viśrāntacittaḥ saḥ antaḥśītalaḥ ucyate

14. Let there be either death or life; these two are natural tendencies (vāsanā). One whose mind is completely at peace (viśrāntacittaḥ) with this understanding is said to be inwardly cool and serene.

Words meanings summery:

• मरणम् (maraṇam) - death, dying

• जीवितम् (jīvitam) - life, living

• वा (vā) - or, either

• अस्तु (astu) - let it be, may it be, let there be

• सहजे (sahaje) - inborn, inherent (describing tendencies) (natural, inborn, inherent)

• वासने (vāsane) - tendencies, impressions, latent desires

• तयोः (tayoḥ) - of these two (death and life) (of these two, their)

• इति (iti) - marks direct or indirect speech/thought (thus, so, in this way)

• विश्रान्तचित्तः (viśrāntacittaḥ) - one whose mind is at peace, tranquil-minded

• यः (yaḥ) - who, which

• सः (saḥ) - he, that

• अन्तःशीतलः (antaḥśītalaḥ) - inwardly cool, inwardly serene

• उच्यते (ucyate) - is called, is said

Words meanings and morphology

मरणम् (maraṇam) - death, dying

(noun)

Nominative, neuter, singular of maraṇa

maraṇa - death, dying

Root: mṛ (class 1)

जीवितम् (jīvitam) - life, living

(noun)

Nominative, neuter, singular of jīvita

jīvita - life, living

Past Passive Participle

From root jīv (to live)

Root: jīv (class 1)

वा (vā) - or, either

(indeclinable)

अस्तु (astu) - let it be, may it be, let there be

(verb)

3rd person , singular, active, imperative (loṭ) of as

Root: as (class 2)

सहजे (sahaje) - inborn, inherent (describing tendencies) (natural, inborn, inherent)

(adjective)

Nominative, feminine, dual of sahaja

sahaja - natural, inborn, inherent

Prefix: saha

Root: jan (class 4)

वासने (vāsane) - tendencies, impressions, latent desires

(noun)

Nominative, feminine, dual of vāsanā

vāsanā - impression, tendency, latent desire, habit

From root vas (to dwell) with suffix -anā

Root: vas (class 1)

तयोः (tayoḥ) - of these two (death and life) (of these two, their)

(pronoun)

Genitive, dual of tad

tad - that, those

Note: Can also be locative dual, but genitive makes more sense here.

इति (iti) - marks direct or indirect speech/thought (thus, so, in this way)

(indeclinable)

विश्रान्तचित्तः (viśrāntacittaḥ) - one whose mind is at peace, tranquil-minded

(adjective)

Nominative, masculine, singular of viśrāntacitta

viśrāntacitta - tranquil-minded, one whose mind is at rest

Bahuvrīhi compound: viśrānta (rested) + citta (mind)

Compound type : bahuvrīhi (viśrānta+citta)

• viśrānta – rested, tranquil, ceased
  adjective
  Past Passive Participle
  From root śram (to be weary) with upasarga vi-
  Prefix: vi
  Root: śram (class 4)
• citta – mind, thought, consciousness
  noun (neuter)
  Root: cit (class 1)

यः (yaḥ) - who, which

(pronoun)

Nominative, masculine, singular of yad

yad - which, who, what

सः (saḥ) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

अन्तःशीतलः (antaḥśītalaḥ) - inwardly cool, inwardly serene

(adjective)

Nominative, masculine, singular of antaḥśītala

antaḥśītala - inwardly cool, inwardly serene

Tatpuruṣa compound: antas (inside) + śītala (cool)

Compound type : tatpuruṣa (antas+śītala)

• antas – inside, within, inwardly
  indeclinable
• śītala – cool, cold, calm, serene
  adjective
  Root: śī

उच्यते (ucyate) - is called, is said

(verb)

3rd person , singular, passive, present (laṭ) of vac

Root: vac (class 2)