महाभारतः mahābhārataḥ - book-3, chapter-193, verse-18

शेते लोकविनाशाय तप आस्थाय दारुणम् ।
त्रिदशानां विनाशाय लोकानां चापि पार्थिव ॥१८॥

18. śete lokavināśāya tapa āsthāya dāruṇam ,
tridaśānāṁ vināśāya lokānāṁ cāpi pārthiva.

18. śete lokavināśāya tapaḥ āsthāya dāruṇam
tridaśānām vināśāya lokānām ca api pārthiva

18. He lies, having undertaken a terrible austerity (tapas), for the destruction of the worlds. Indeed, O King, it is also for the destruction of the gods and other beings.

Words meanings summery:

• शेते (śete) - lies down, rests

• लोकविनाशाय (lokavināśāya) - for the destruction of the worlds

• तपः (tapaḥ) - austerity, penance, heat

• आस्थाय (āsthāya) - having resorted to, having undertaken, having adopted

• दारुणम् (dāruṇam) - terrible, dreadful, fierce

• त्रिदशानाम् (tridaśānām) - of the gods, of the divinities

• विनाशाय (vināśāya) - for destruction, for ruin

• लोकानाम् (lokānām) - of the worlds, of the people, of the beings

• च (ca) - and, also

• अपि (api) - also, even, indeed

• पार्थिव (pārthiva) - O King, O ruler of the earth

Words meanings and morphology

शेते (śete) - lies down, rests

(verb)

3rd person , singular, middle, present indicative (laṭ) of śī

Present Indicative

root śī, ātmanepada, 3rd person singular

Root: śī (class 2)

लोकविनाशाय (lokavināśāya) - for the destruction of the worlds

(noun)

Dative, masculine, singular of lokavināśa

lokavināśa - destruction of the world, ruin of people

Compound type : tatpuruṣa (loka+vināśa)

• loka – world, people, region
  noun (masculine)
• vināśa – destruction, ruin, loss
  noun (masculine)
  derived from vi-naś
  Prefix: vi
  Root: naś (class 4)

तपः (tapaḥ) - austerity, penance, heat

(noun)

Accusative, neuter, singular of tapas

tapas - religious austerity, penance, spiritual fervor

Note: The form `tapaḥ` can be nominative or accusative singular of `tapas` (neuter). Here, it serves as the object of `āsthāya`.

आस्थाय (āsthāya) - having resorted to, having undertaken, having adopted

(indeclinable)

absolutive (gerund)

from ā-sthā, suffix -ya after prefix

Prefix: ā

Root: sthā (class 1)

दारुणम् (dāruṇam) - terrible, dreadful, fierce

(adjective)

Accusative, neuter, singular of dāruṇa

dāruṇa - terrible, dreadful, fierce, cruel

त्रिदशानाम् (tridaśānām) - of the gods, of the divinities

(noun)

Genitive, masculine, plural of tridaśa

tridaśa - god, deity (lit. 'three tens' referring to the traditional number of gods)

Compound type : dvigu (tri+daśa)

• tri – three
  numeral
• daśa – ten
  numeral

विनाशाय (vināśāya) - for destruction, for ruin

(noun)

Dative, masculine, singular of vināśa

vināśa - destruction, ruin, loss

derived from vi-naś

Prefix: vi

Root: naś (class 4)

लोकानाम् (lokānām) - of the worlds, of the people, of the beings

(noun)

Genitive, masculine, plural of loka

loka - world, people, region, beings

Note: Refers to other beings/people distinct from "tridaśānām" (gods) and the general "loka" in "lokavināśāya".

च (ca) - and, also

(indeclinable)

अपि (api) - also, even, indeed

(indeclinable)

पार्थिव (pārthiva) - O King, O ruler of the earth

(noun)

Vocative, masculine, singular of pārthiva

pārthiva - king, prince, ruler (lit. 'belonging to the earth')

derived from pṛthivī (earth)