महाभारतः mahābhārataḥ - book-1, chapter-36, verse-15

गवां प्रचारेष्वासीनं वत्सानां मुखनिःसृतम् ।
भूयिष्ठमुपयुञ्जानं फेनमापिबतां पयः ॥१५॥

15. gavāṁ pracāreṣvāsīnaṁ vatsānāṁ mukhaniḥsṛtam ,
bhūyiṣṭhamupayuñjānaṁ phenamāpibatāṁ payaḥ.

15. gavām pracāreṣu āsīnam vatsānām mukhanihsṛtam
bhūyiṣṭham upayun̄jānam phenam āpibatām payaḥ

15. He saw the sage seated in the pastures where cows grazed, consuming mostly the foam that came out of the mouths of calves as they drank milk.

Words meanings summery:

• गवाम् (gavām) - of cows (of cows, of oxen)

• प्रचारेषु (pracāreṣu) - in the pastures/grazing grounds (in the movements, in the pastures, in the walks)

• आसीनम् (āsīnam) - seated (seated, sitting)

• वत्सानाम् (vatsānām) - of calves

• मुखनिह्सृतम् (mukhanihsṛtam) - issued from the mouths (issued from the mouth)

• भूयिष्ठम् (bhūyiṣṭham) - mostly (mostly, for the most part, abundant)

• उपयुन्̄जानम् (upayun̄jānam) - consuming (consuming, enjoying, using)

• फेनम् (phenam) - foam (foam, froth)

• आपिबताम् (āpibatām) - of those (calves) drinking (of those drinking)

• पयः (payaḥ) - milk (milk, water)

Words meanings and morphology

गवाम् (gavām) - of cows (of cows, of oxen)

(noun)

Genitive, feminine, plural of go

go - cow, ox, cattle

प्रचारेषु (pracāreṣu) - in the pastures/grazing grounds (in the movements, in the pastures, in the walks)

(noun)

Locative, masculine, plural of pracāra

pracāra - movement, walking, pasture, sphere of activity

action noun

upasarga pra + root car (class 1) + ghañ

Prefix: pra

Root: car (class 1)

आसीनम् (āsīnam) - seated (seated, sitting)

(adjective)

Accusative, masculine, singular of āsīna

āsīna - seated, sitting

participle

root ās (class 2) + śānac/kta

Root: ās (class 2)

वत्सानाम् (vatsānām) - of calves

(noun)

Genitive, masculine, plural of vatsa

vatsa - calf, son, child, darling

मुखनिह्सृतम् (mukhanihsṛtam) - issued from the mouths (issued from the mouth)

(adjective)

Accusative, neuter, singular of mukhanihsṛta

mukhanihsṛta - issued from the mouth, exhaled

Compound type : tatpuruṣa (mukha+nihsṛta)

• mukha – mouth, face, opening
  noun (neuter)
• nihsṛta – issued, gone out, come forth
  adjective
  past passive participle
  upasarga nis + root sṛ (class 1) + kta
  Prefix: nis
  Root: sṛ (class 1)

भूयिष्ठम् (bhūyiṣṭham) - mostly (mostly, for the most part, abundant)

(indeclinable)

superlative of bahu (much)

Note: Used adverbially.

उपयुन्̄जानम् (upayun̄jānam) - consuming (consuming, enjoying, using)

(adjective)

Accusative, masculine, singular of upayun̄jāna

upayun̄jāna - using, employing, enjoying, consuming

present middle participle

upasarga upa + root yuj (class 7) + śānac

Prefix: upa

Root: yuj (class 7)

फेनम् (phenam) - foam (foam, froth)

(noun)

Accusative, masculine, singular of phena

phena - foam, froth, spume

आपिबताम् (āpibatām) - of those (calves) drinking (of those drinking)

(adjective)

Genitive, masculine/neuter, plural of āpibat

āpibat - drinking

present active participle

upasarga ā + root pā (class 1) + śatṛ

Prefix: ā

Root: pā (class 1)

पयः (payaḥ) - milk (milk, water)

(noun)

Accusative, neuter, singular of payas

payas - milk, water, fluid