महाभारतः mahābhārataḥ - book-1, chapter-160, verse-12

अर्थर्क्षपुत्रः कौन्तेय कुरूणामृषभो बली ।
सूर्यमाराधयामास नृपः संवरणः सदा ॥१२॥

12. artharkṣaputraḥ kaunteya kurūṇāmṛṣabho balī ,
sūryamārādhayāmāsa nṛpaḥ saṁvaraṇaḥ sadā.

12. arthaṛkṣaputraḥ kaunteya kurūṇām ṛṣabhaḥ balī
sūryam ārādhayām āsa nṛpaḥ saṃvaraṇaḥ sadā

12. O son of Kuntī (Kaunteya), King Saṃvaraṇa, the esteemed son of Ṛkṣa, the mighty bull (best) among the Kurus, always worshipped Sūrya (the Sun god).

Words meanings summery:

• अर्थऋक्षपुत्रः (arthaṛkṣaputraḥ) - the purposeful son of Ṛkṣa, the worthy son of Ṛkṣa

• कौन्तेय (kaunteya) - O Arjuna (as son of Kuntī) (O son of Kuntī)

• कुरूणाम् (kurūṇām) - of the Kurus

• ऋषभः (ṛṣabhaḥ) - bull, chief, best

• बली (balī) - powerful, strong

• सूर्यम् (sūryam) - the Sun, the Sun god (Sūrya)

• आराधयाम् (ārādhayām) - having worshipped (part of periphrastic perfect)

• आस (āsa) - he was, he existed (auxiliary verb for periphrastic perfect)

• नृपः (nṛpaḥ) - king, ruler

• संवरणः (saṁvaraṇaḥ) - Saṃvaraṇa (proper noun)

• सदा (sadā) - always, constantly

Words meanings and morphology

अर्थऋक्षपुत्रः (arthaṛkṣaputraḥ) - the purposeful son of Ṛkṣa, the worthy son of Ṛkṣa

(noun)

Nominative, masculine, singular of arthaṛkṣaputra

arthaṛkṣaputra - the purposeful son of Ṛkṣa

Compound type : tatpuruṣa (artha+ṛkṣaputra)

• artha – purpose, meaning, wealth, object
  noun (masculine)
• ṛkṣaputra – son of Ṛkṣa
  noun (masculine)

कौन्तेय (kaunteya) - O Arjuna (as son of Kuntī) (O son of Kuntī)

(proper noun)

Vocative, masculine, singular of kaunteya

kaunteya - son of Kuntī

patronymic from Kuntī

कुरूणाम् (kurūṇām) - of the Kurus

(proper noun)

Genitive, masculine, plural of kuru

kuru - a member of the Kuru dynasty, name of an ancient tribe/kingdom

ऋषभः (ṛṣabhaḥ) - bull, chief, best

(noun)

Nominative, masculine, singular of ṛṣabha

ṛṣabha - bull, chief, best, excellent

बली (balī) - powerful, strong

(adjective)

Nominative, masculine, singular of balin

balin - powerful, strong, mighty

possessive suffix `-in`

सूर्यम् (sūryam) - the Sun, the Sun god (Sūrya)

(proper noun)

Accusative, masculine, singular of sūrya

sūrya - the sun, the sun god (Sūrya)

आराधयाम् (ārādhayām) - having worshipped (part of periphrastic perfect)

(indeclinable)

Absolutive (used in periphrastic perfect)

from `ā-rādh` (to worship), root `rādh` in causative stem `rādhaya`, followed by `ām` (which becomes part of the perfect formation)

Prefix: ā

Root: rādh (class 4)

आस (āsa) - he was, he existed (auxiliary verb for periphrastic perfect)

(verb)

3rd person , singular, active, perfect (liṭ) of as

perfect tense (liṭ) form of `as`

Root: as (class 2)

नृपः (nṛpaḥ) - king, ruler

(noun)

Nominative, masculine, singular of nṛpa

nṛpa - king, ruler, protector of men

from `nṛ` (man) + `pa` (protector)

संवरणः (saṁvaraṇaḥ) - Saṃvaraṇa (proper noun)

(proper noun)

Nominative, masculine, singular of saṃvaraṇa

saṁvaraṇa - Saṃvaraṇa (name of a king in the Kuru dynasty)

सदा (sadā) - always, constantly

(indeclinable)