महाभारतः mahābhārataḥ - book-13, chapter-112, verse-39

यदेतदुच्यते शास्त्रे सेतिहासे सच्छन्दसि ।
यमस्य विषयं घोरं मर्त्यो लोकः प्रपद्यते ॥३९॥

39. yadetaducyate śāstre setihāse sacchandasi ,
yamasya viṣayaṁ ghoraṁ martyo lokaḥ prapadyate.

39. yat etat ucyate śāstre sa-itihāse sa-chandasi
yamasya viṣayaṃ ghoraṃ martyaḥ lokaḥ prapadyate

39. It is declared in the scriptures, which include historical accounts and Vedic texts, that the mortal world enters the dreadful domain of Yama.

Words meanings summery:

• यत् (yat) - what (that which, what)

• एतत् (etat) - this

• उच्यते (ucyate) - is declared (is said, is spoken)

• शास्त्रे (śāstre) - in the scriptures (in the scripture, in the treatise)

• स-इतिहासे (sa-itihāse) - including historical narratives (with history, along with historical accounts)

• स-छन्दसि (sa-chandasi) - and Vedic texts (with Vedic texts, with metrical compositions)

• यमस्य (yamasya) - of Yama (of Yama (god of death))

• विषयम् (viṣayam) - domain (realm, domain, object)

• घोरम् (ghoram) - dreadful (dreadful, terrible, fearful)

• मर्त्यः (martyaḥ) - mortal (people) (mortal, human being)

• लोकः (lokaḥ) - world (or its inhabitants) (world, people, region)

• प्रपद्यते (prapadyate) - enters (attains, enters, takes refuge)

Words meanings and morphology

यत् (yat) - what (that which, what)

(pronoun)

Nominative, neuter, singular of yat

yat - which, what, that

एतत् (etat) - this

(pronoun)

Nominative, neuter, singular of etat

etat - this

उच्यते (ucyate) - is declared (is said, is spoken)

(verb)

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

Root 'vac' (to speak) takes 'uc' in passive voice and some other forms.

Root: vac (class 2)

शास्त्रे (śāstre) - in the scriptures (in the scripture, in the treatise)

(noun)

Locative, neuter, singular of śāstra

śāstra - scripture, treatise, rule, teaching

स-इतिहासे (sa-itihāse) - including historical narratives (with history, along with historical accounts)

(adjective)

Locative, neuter, singular of sa-itihāsa

sa-itihāsa - with history, accompanied by historical accounts

Compound type : bahuvrīhi (saha+itihāsa)

• saha – with, together with
  indeclinable
• itihāsa – history, legend, traditional narrative
  noun (masculine)

Note: Agrees with 'śāstre'.

स-छन्दसि (sa-chandasi) - and Vedic texts (with Vedic texts, with metrical compositions)

(adjective)

Locative, neuter, singular of sa-chandas

sa-chandas - with meter, pertaining to Vedic hymns/texts

Compound type : bahuvrīhi (saha+chandas)

• saha – with, together with
  indeclinable
• chandas – meter, hymn, Veda
  noun (neuter)

Note: Agrees with 'śāstre'.

यमस्य (yamasya) - of Yama (of Yama (god of death))

(proper noun)

Genitive, masculine, singular of yama

yama - Yama (god of death), twin, restraint

विषयम् (viṣayam) - domain (realm, domain, object)

(noun)

Accusative, masculine, singular of viṣaya

viṣaya - realm, domain, object, subject matter

घोरम् (ghoram) - dreadful (dreadful, terrible, fearful)

(adjective)

Accusative, masculine, singular of ghora

ghora - dreadful, terrible, fearful, formidable

Note: Agrees with 'viṣayam'.

मर्त्यः (martyaḥ) - mortal (people) (mortal, human being)

(noun)

Nominative, masculine, singular of martya

martya - mortal, human being, earthly

Note: Refers to the human inhabitants of the world.

लोकः (lokaḥ) - world (or its inhabitants) (world, people, region)

(noun)

Nominative, masculine, singular of loka

loka - world, people, region, realm

Note: Often refers to the collective human population or the earthly realm.

प्रपद्यते (prapadyate) - enters (attains, enters, takes refuge)

(verb)

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

Prefix: pra

Root: pad (class 4)

Note: Used with the prefix 'pra-' to mean 'to approach, to enter, to attain'.