महाभारतः mahābhārataḥ - book-14, chapter-44, verse-6

गायत्री छन्दसामादिः पशूनामज उच्यते ।
गावश्चतुष्पदामादिर्मनुष्याणां द्विजातयः ॥६॥

6. gāyatrī chandasāmādiḥ paśūnāmaja ucyate ,
gāvaścatuṣpadāmādirmanuṣyāṇāṁ dvijātayaḥ.

6. gāyatrī chandasām ādiḥ paśūnām ajaḥ ucyate
gāvaḥ catuṣpadām ādiḥ manuṣyāṇām dvijātayaḥ

6. The Gāyatrī (mantra) is the foremost among meters. The goat is said to be the first among animals. Cows are considered the foremost among quadrupeds, and among human beings, it is the twice-born (dvijāti).

Words meanings summery:

• गायत्री (gāyatrī) - Gāyatrī, referring to the Gāyatrī meter or mantra. (Gāyatrī (a sacred meter, a mantra, a goddess))

• छन्दसाम् (chandasām) - of meters; of Vedic hymns

• आदिः (ādiḥ) - foremost (beginning; first; origin; chief; foremost)

• पशूनाम् (paśūnām) - of animals; of beasts; of cattle

• अजः (ajaḥ) - goat (goat; unborn; chief)

• उच्यते (ucyate) - is said to be (is said; is called; is declared)

• गावः (gāvaḥ) - cows (cows; oxen)

• चतुष्पदाम् (catuṣpadām) - of quadrupeds; of four-footed animals

• आदिः (ādiḥ) - foremost (beginning; first; origin; chief; foremost)

• मनुष्याणाम् (manuṣyāṇām) - among human beings (of humans; of men)

• द्विजातयः (dvijātayaḥ) - the twice-born (dvijāti) (twice-born ones; Brahmins)

Words meanings and morphology

गायत्री (gāyatrī) - Gāyatrī, referring to the Gāyatrī meter or mantra. (Gāyatrī (a sacred meter, a mantra, a goddess))

(proper noun)

Nominative, feminine, singular of gāyatrī

gāyatrī - a Vedic meter of 24 syllables; the Gāyatrī mantra; a goddess associated with the mantra

छन्दसाम् (chandasām) - of meters; of Vedic hymns

(noun)

Genitive, neuter, plural of chandas

chandas - meter; poetic measure; Vedic hymn; the Veda

आदिः (ādiḥ) - foremost (beginning; first; origin; chief; foremost)

(noun)

Nominative, masculine, singular of ādi

ādi - beginning; commencement; origin; first; chief; foremost

पशूनाम् (paśūnām) - of animals; of beasts; of cattle

(noun)

Genitive, masculine, plural of paśu

paśu - animal; beast; cattle; domesticated animal

अजः (ajaḥ) - goat (goat; unborn; chief)

(noun)

Nominative, masculine, singular of aja

aja - goat; unborn; a name of Brahmā, Viṣṇu, Śiva; leader

Also from `a-jan` (unborn). Here it refers to the animal.

उच्यते (ucyate) - is said to be (is said; is called; is declared)

(verb)

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

Present Middle Passive

`ucyate` is the present passive 3rd singular form of `vac`. Root `vac` becomes `uc` in passive forms.

Root: vac (class 2)

गावः (gāvaḥ) - cows (cows; oxen)

(noun)

Nominative, feminine, plural of go

go - cow; ox; cattle; earth; ray of light

चतुष्पदाम् (catuṣpadām) - of quadrupeds; of four-footed animals

(noun)

Genitive, plural of catuṣpad

catuṣpad - quadruped; four-footed animal

Compound of catur (four) and pad (foot).

Compound type : bahuvrīhi (catur+pad)

• catur – four
  numeral
• pad – foot; step; path
  noun (masculine)

आदिः (ādiḥ) - foremost (beginning; first; origin; chief; foremost)

(noun)

Nominative, masculine, singular of ādi

ādi - beginning; commencement; origin; first; chief; foremost

मनुष्याणाम् (manuṣyāṇām) - among human beings (of humans; of men)

(noun)

Genitive, masculine, plural of manuṣya

manuṣya - human being; man; person

द्विजातयः (dvijātayaḥ) - the twice-born (dvijāti) (twice-born ones; Brahmins)

(noun)

Nominative, masculine, plural of dvijāti

dvijāti - twice-born; a member of the three upper classes (Brahmin, Kṣatriya, Vaiśya); a bird; a tooth

Compound of dvi (twice) and jāta (born).

Compound type : tatpurusha (dvi+jāti)

• dvi – two; twice
  numeral
• jāti – birth; lineage; species; class
  noun (feminine)
  From root `jan` 'to be born'.
  Root: jan (class 4)