महाभारतः mahābhārataḥ - book-15, chapter-3, verse-4

प्रियाण्येव तु कौरव्यो नाप्रियाणि कुरूद्वह ।
वैचित्रवीर्ये नृपतौ समाचरति नित्यदा ॥४॥

4. priyāṇyeva tu kauravyo nāpriyāṇi kurūdvaha ,
vaicitravīrye nṛpatau samācarati nityadā.

4. priyāṇi eva tu kauravyaḥ na apriyāṇi kurūdvaha
vaicitravīrye nṛpatau samācarati nityadā

4. kauravyaḥ kurūdvaha tu vaicitravīrye nṛpatau
nityadā priyāṇi eva na apriyāṇi samācarati

4. O descendant of Kuru, O leader of the Kurus, he always behaved towards King Dhṛtarāṣṭra, the son of Vicitravīrya, with agreeable actions alone, and never with disagreeable ones.

Words meanings summery:

• प्रियाणि (priyāṇi) - pleasant things, agreeable things

• एव (eva) - only, indeed, just

• तु (tu) - but, on the other hand, indeed

• कौरव्यः (kauravyaḥ) - Addressed to Yudhishthira. (O descendant of Kuru)

• न (na) - not, no

• अप्रियाणि (apriyāṇi) - unpleasant things, disagreeable things

• कुरूद्वह (kurūdvaha) - Addressed to Yudhishthira. (O leader of the Kurus, O bearer of the Kuru lineage)

• वैचित्रवीर्ये (vaicitravīrye) - Refers to Dhritarashtra. (to the son of Vicitravīrya)

• नृपतौ (nṛpatau) - Refers to Dhritarashtra. (to the king)

• समाचरति (samācarati) - he behaves, he acts, he conducts himself

• नित्यदा (nityadā) - always, constantly, perpetually

Words meanings and morphology

प्रियाणि (priyāṇi) - pleasant things, agreeable things

(adjective)

Accusative, neuter, plural of priya

priya - dear, beloved, pleasing, agreeable

Note: Can be nominative or accusative plural neuter. Context indicates accusative here.

एव (eva) - only, indeed, just

(indeclinable)

तु (tu) - but, on the other hand, indeed

(indeclinable)

कौरव्यः (kauravyaḥ) - Addressed to Yudhishthira. (O descendant of Kuru)

(proper noun)

Vocative, masculine, singular of kauravya

kauravya - descendant of Kuru, a Kaurava

Derived from Kuru, referring to his descendants.

न (na) - not, no

(indeclinable)

अप्रियाणि (apriyāṇi) - unpleasant things, disagreeable things

(adjective)

Accusative, neuter, plural of apriya

apriya - unpleasant, disagreeable, disliked

Negation of priya with 'a-'.

Compound type : nañ-tatpuruṣa (a+priya)

• a – not, un-
  indeclinable
• priya – dear, beloved, pleasing, agreeable
  adjective (neuter)

Note: Can be nominative or accusative plural neuter. Context indicates accusative here.

कुरूद्वह (kurūdvaha) - Addressed to Yudhishthira. (O leader of the Kurus, O bearer of the Kuru lineage)

(proper noun)

Vocative, masculine, singular of kurūdvaha

kurūdvaha - one who bears (the burden of) the Kurus, leader of the Kurus

Compound type : bahuvrīhi (kuru+udvaha)

• kuru – name of an ancient king and his dynasty; the land ruled by them
  proper noun (masculine)
• udvaha – carrying, bearing, supporting; one who carries/bears
  noun (masculine)
  From ud-vah (to carry, bear).
  Prefix: ud
  Root: vah (class 1)

वैचित्रवीर्ये (vaicitravīrye) - Refers to Dhritarashtra. (to the son of Vicitravīrya)

(proper noun)

Locative, masculine, singular of vaicitravīrya

vaicitravīrya - descendant of Vicitravīrya; son of Vicitravīrya

Patronymic from Vicitravīrya.

Note: Locative case used here in the sense of 'towards' or 'with respect to'.

नृपतौ (nṛpatau) - Refers to Dhritarashtra. (to the king)

(noun)

Locative, masculine, singular of nṛpati

nṛpati - king, lord of men

Compound of nṛ (man) and pati (lord).

Compound type : ṣaṣṭhī-tatpuruṣa (nṛ+pati)

• nṛ – man, male
  noun (masculine)
• pati – lord, master, husband
  noun (masculine)

Note: Locative case used here in the sense of 'towards' or 'with respect to'.

समाचरति (samācarati) - he behaves, he acts, he conducts himself

(verb)

3rd person , singular, active, present indicative (laṭ) of samācar

Verb root ā-car preceded by prefix sam.

Prefixes: sam+ā

Root: car (class 1)

नित्यदा (nityadā) - always, constantly, perpetually

(indeclinable)

Adverb derived from nitya (constant, eternal) with suffix -dā.