महाभारतः mahābhārataḥ - book-3, chapter-187, verse-31

श्वेतः कृतयुगे वर्णः पीतस्त्रेतायुगे मम ।
रक्तो द्वापरमासाद्य कृष्णः कलियुगे तथा ॥३१॥

31. śvetaḥ kṛtayuge varṇaḥ pītastretāyuge mama ,
rakto dvāparamāsādya kṛṣṇaḥ kaliyuge tathā.

31. śvetaḥ kṛtayuge varṇaḥ pītaḥ tretāyuge mama
raktaḥ dvāparam āsādya kṛṣṇaḥ kaliyuge tathā

31. My color (varṇaḥ) is white (śvetaḥ) in the Kṛta age (kṛtayuge) and yellow (pītaḥ) in the Tretā age (tretāyuge). It becomes red (raktaḥ) upon reaching (āsādya) the Dvāpara age, and similarly (tathā), black (kṛṣṇaḥ) in the Kali age (kaliyuge).

Words meanings summery:

• श्वेतः (śvetaḥ) - white

• कृतयुगे (kṛtayuge) - in the Kṛta age, in the golden age

• वर्णः (varṇaḥ) - color, hue; caste, class

• पीतः (pītaḥ) - yellow

• त्रेतायुगे (tretāyuge) - in the Tretā age

• मम (mama) - my, mine, of me

• रक्तः (raktaḥ) - red

• द्वापरम् (dvāparam) - the Dvāpara age

• आसाद्य (āsādya) - having reached, having attained

• कृष्णः (kṛṣṇaḥ) - black, dark

• कलियुगे (kaliyuge) - in the Kali age

• तथा (tathā) - thus, so, similarly

Words meanings and morphology

श्वेतः (śvetaḥ) - white

(adjective)

Nominative, masculine, singular of śveta

śveta - white, fair, bright

कृतयुगे (kṛtayuge) - in the Kṛta age, in the golden age

(noun)

Locative, neuter, singular of kṛtayuga

kṛtayuga - the Kṛta age, the golden age, the first of the four yugas

Compound noun (proper name of an age).

Compound type : karmadhāraya (kṛta+yuga)

• kṛta – done, made, perfect, good, accomplished
  adjective
  Past Passive Participle
  From root √kṛ (to do, to make).
  Root: kṛ (class 8)
• yuga – age, era, epoch, a pair, a yoke
  noun (neuter)

वर्णः (varṇaḥ) - color, hue; caste, class

(noun)

Nominative, masculine, singular of varṇa

varṇa - color, tint, hue; outer appearance; caste, class, social order

पीतः (pītaḥ) - yellow

(adjective)

Nominative, masculine, singular of pīta

pīta - yellow, golden-colored

त्रेतायुगे (tretāyuge) - in the Tretā age

(noun)

Locative, neuter, singular of tretāyuga

tretāyuga - the Tretā age, the second of the four yugas

Compound noun (proper name of an age).

Compound type : karmadhāraya (tretā+yuga)

• tretā – a triad, three; the name of the second yuga
  noun (feminine)
• yuga – age, era, epoch, a pair, a yoke
  noun (neuter)

मम (mama) - my, mine, of me

(pronoun)

Genitive, singular of asmad

asmad - I, me

रक्तः (raktaḥ) - red

(adjective)

Nominative, masculine, singular of rakta

rakta - red, colored, dyed; delighted, fond of

Past Passive Participle

From root √rañj (to color, to redden).

Root: rañj (class 1)

द्वापरम् (dvāparam) - the Dvāpara age

(noun)

Accusative, neuter, singular of dvāpara

dvāpara - the Dvāpara age, the third of the four yugas

आसाद्य (āsādya) - having reached, having attained

(indeclinable)

Absolutive (Gerund)

From root √sad (to sit, to settle) with prefix `ā`.

Prefix: ā

Root: sad (class 1)

कृष्णः (kṛṣṇaḥ) - black, dark

(adjective)

Nominative, masculine, singular of kṛṣṇa

kṛṣṇa - black, dark, dark-blue; the name of Kṛṣṇa

कलियुगे (kaliyuge) - in the Kali age

(noun)

Locative, neuter, singular of kaliyuga

kaliyuga - the Kali age, the fourth and present age of the world

Compound noun (proper name of an age).

Compound type : karmadhāraya (kali+yuga)

• kali – strife, quarrel, discord; the name of the fourth yuga
  noun (masculine)
• yuga – age, era, epoch, a pair, a yoke
  noun (neuter)

तथा (tathā) - thus, so, similarly

(indeclinable)