महाभारतः mahābhārataḥ - book-2, chapter-65, verse-4

वेत्थ त्वं तात धर्माणां गतिं सूक्ष्मां युधिष्ठिर ।
विनीतोऽसि महाप्राज्ञ वृद्धानां पर्युपासिता ॥४॥

4. vettha tvaṁ tāta dharmāṇāṁ gatiṁ sūkṣmāṁ yudhiṣṭhira ,
vinīto'si mahāprājña vṛddhānāṁ paryupāsitā.

4. vettha tvam tāta dharmāṇām gatim sūkṣmām yudhiṣṭhira
vinītaḥ asi mahāprājña vṛddhānām paryupāsitā

4. O Yudhiṣṭhira, my dear son, you understand the subtle path of natural law (dharma). You are modest, O greatly wise one, and you have diligently attended upon the elders.

Words meanings summery:

• वेत्थ (vettha) - you know, you understand

• त्वम् (tvam) - you

• तात (tāta) - A term of endearment, used by an elder (Dhṛtarāṣṭra) to a younger person (Yudhiṣṭhira) (O dear one, O dear son)

• धर्माणाम् (dharmāṇām) - of natural laws (dharma), of duties, of righteousness

• गतिम् (gatim) - path, course, nature, state, intricacies

• सूक्ष्माम् (sūkṣmām) - subtle, minute, delicate

• युधिष्ठिर (yudhiṣṭhira) - Yudhiṣṭhira

• विनीतः (vinītaḥ) - modest, humble, disciplined

• असि (asi) - you are

• महाप्राज्ञ (mahāprājña) - Addressing Yudhiṣṭhira (O greatly wise one, O very intelligent one)

• वृद्धानाम् (vṛddhānām) - of the elders, of the old ones

• पर्युपासिता (paryupāsitā) - one who has served well, one who has attended diligently

Words meanings and morphology

वेत्थ (vettha) - you know, you understand

(verb)

2nd person , singular, active, present (laṭ) of √vid

Root: vid (class 2)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of tvad

tvad - you

तात (tāta) - A term of endearment, used by an elder (Dhṛtarāṣṭra) to a younger person (Yudhiṣṭhira) (O dear one, O dear son)

(noun)

Vocative, masculine, singular of tāta

tāta - dear one, father, son (a term of endearment)

धर्माणाम् (dharmāṇām) - of natural laws (dharma), of duties, of righteousness

(noun)

Genitive, masculine, plural of dharma

dharma - natural law, constitution, duty, righteousness, intrinsic nature, moral order

गतिम् (gatim) - path, course, nature, state, intricacies

(noun)

Accusative, feminine, singular of gati

gati - going, movement, path, course, condition, state, nature, destiny

सूक्ष्माम् (sūkṣmām) - subtle, minute, delicate

(adjective)

Accusative, feminine, singular of sūkṣma

sūkṣma - subtle, minute, delicate, fine, abstract

युधिष्ठिर (yudhiṣṭhira) - Yudhiṣṭhira

(proper noun)

Vocative, masculine, singular of yudhiṣṭhira

yudhiṣṭhira - Yudhiṣṭhira (name of the eldest Pāṇḍava brother)

विनीतः (vinītaḥ) - modest, humble, disciplined

(adjective)

Nominative, masculine, singular of vinīta

vinīta - modest, humble, disciplined, well-behaved

Past Passive Participle

Past passive participle of √nī (to lead) with prefix vi

Prefix: vi

Root: nī (class 1)

असि (asi) - you are

(verb)

2nd person , singular, active, present (laṭ) of √as

Root: as (class 2)

महाप्राज्ञ (mahāprājña) - Addressing Yudhiṣṭhira (O greatly wise one, O very intelligent one)

(noun)

Vocative, masculine, singular of mahāprājña

mahāprājña - greatly wise, very intelligent

Compound type : karmadhāraya (mahā+prājña)

• mahā – great, large, mighty
  adjective
• prājña – wise, intelligent, knowing
  adjective (masculine)

वृद्धानाम् (vṛddhānām) - of the elders, of the old ones

(noun)

Genitive, masculine, plural of vṛddha

vṛddha - old, aged, grown, elder, respected

Past Passive Participle

Past passive participle of √vṛdh (to grow), used as a noun

Root: vṛdh (class 1)

पर्युपासिता (paryupāsitā) - one who has served well, one who has attended diligently

(adjective)

Nominative, masculine, singular of paryupāsita

paryupāsita - served, attended, worshipped, honored

Past Passive Participle

Past passive participle of √ās (to sit) with prefixes pari and upa

Prefixes: pari+upa

Root: ās (class 2)

Note: Used as a nominative singular form, implying 'you are one who has served'