महाभारतः mahābhārataḥ - book-5, chapter-82, verse-20

वृकस्थलं समासाद्य केशवः परवीरहा ।
प्रकीर्णरश्मावादित्ये विमले लोहितायति ॥२०॥

20. vṛkasthalaṁ samāsādya keśavaḥ paravīrahā ,
prakīrṇaraśmāvāditye vimale lohitāyati.

20. vṛkasthalam samāsādya keśavaḥ paravīrahā
prakīrṇaraśmāu āditye vimale lohitāyati

20. Having reached Vṛkasthala, Keśava, the slayer of hostile heroes, stopped when the clear sun, with its scattered rays, was reddening.

Words meanings summery:

• वृकस्थलम् (vṛkasthalam) - the place named Vṛkasthala (wolf-place, a place named Vṛkasthala)

• समासाद्य (samāsādya) - having arrived at (having reached, having obtained, having arrived at)

• केशवः (keśavaḥ) - Krishna (Keśava) (Keśava (an epithet of Krishna))

• परवीरहा (paravīrahā) - the slayer of hostile heroes (slayer of hostile heroes)

• प्रकीर्णरश्माउ (prakīrṇaraśmāu) - whose rays are scattered (whose rays are scattered/diffused)

• आदित्ये (āditye) - when the sun (in/on/at the sun; when the sun (is/was))

• विमले (vimale) - clear, spotless (spotless, pure, clear)

• लोहितायति (lohitāyati) - was turning reddish (becomes red, reddens)

Words meanings and morphology

वृकस्थलम् (vṛkasthalam) - the place named Vṛkasthala (wolf-place, a place named Vṛkasthala)

(noun)

Accusative, neuter, singular of vṛkasthala

vṛkasthala - a wolf's place; Name of a particular locality or region.

Compound type : tatpurusha (vṛka+sthala)

• vṛka – wolf
  noun (masculine)
• sthala – place, spot, ground, region
  noun (neuter)

समासाद्य (samāsādya) - having arrived at (having reached, having obtained, having arrived at)

(indeclinable)

Absolutive (Gerund)

From root √sad (to sit, go) with upasargas sam- and ā-. Formed with suffix -ya.

Prefixes: sam+ā

Root: sad (class 1)

केशवः (keśavaḥ) - Krishna (Keśava) (Keśava (an epithet of Krishna))

(proper noun)

Nominative, masculine, singular of keśava

keśava - having fine hair; an epithet of Viṣṇu or Krishna.

परवीरहा (paravīrahā) - the slayer of hostile heroes (slayer of hostile heroes)

(noun)

Nominative, masculine, singular of paravīrahan

paravīrahan - destroyer of hostile heroes or enemies

From para (other, hostile) + vīra (hero) + han (slayer).

Compound type : tatpurusha (para+vīra+han)

• para – other, hostile, enemy
  adjective (masculine)
• vīra – hero, brave man, warrior
  noun (masculine)
• han – slaying, killing, killer
  noun (masculine)
  Derived from root √han (to strike, kill).
  Root: han (class 2)

प्रकीर्णरश्माउ (prakīrṇaraśmāu) - whose rays are scattered (whose rays are scattered/diffused)

(adjective)

Locative, masculine, singular of prakīrṇaraśmin

prakīrṇaraśmin - having scattered rays, with diffused light

Compound of prakīrṇa (scattered, diffused) and raśmin (ray).

Compound type : bahuvrihi (prakīrṇa+raśmin)

• prakīrṇa – scattered, diffused, spread out
  adjective (neuter)
  Past Passive Participle
  From pra-√kṛ (to scatter, spread).
  Prefix: pra
  Root: kṛ (class 6)
• raśmin – ray, beam of light, rein
  noun (masculine)

Note: Agrees with 'āditye'.

आदित्ये (āditye) - when the sun (in/on/at the sun; when the sun (is/was))

(noun)

Locative, masculine, singular of āditya

āditya - the sun, son of Aditi, a god

Note: Used in a locative absolute construction.

विमले (vimale) - clear, spotless (spotless, pure, clear)

(adjective)

Locative, masculine, singular of vimala

vimala - spotless, pure, clean, clear, stainless

From vi- (privative/intensifier) + mala (dirt, impurity).

Compound type : praadi-samasa (vi+mala)

• vi – apart, asunder, away
  indeclinable
• mala – dirt, impurity, stain
  noun (neuter)

Note: Agrees with 'āditye'.

लोहितायति (lohitāyati) - was turning reddish (becomes red, reddens)

(verb)

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

Denominative verb

From the adjective 'lohita' (red), formed with the suffix -āy(a) to mean 'to become red'.

Root: lohita

Note: Implies a continuous action or state. This is part of the locative absolute.