महाभारतः mahābhārataḥ - book-4, chapter-39, verse-15

पुरा शक्रेण मे दत्तं युध्यतो दानवर्षभैः ।
किरीटं मूर्ध्नि सूर्याभं तेन माहुः किरीटिनम् ॥१५॥

15. purā śakreṇa me dattaṁ yudhyato dānavarṣabhaiḥ ,
kirīṭaṁ mūrdhni sūryābhaṁ tena māhuḥ kirīṭinam.

15. purā śakreṇa me dattaṃ yudhyataḥ dānavavarṣabhaiḥ
kirīṭaṃ mūrdhni sūryābhaṃ tena mām āhuḥ kirīṭinam

15. Formerly, when I was fighting the foremost Dānavas (demons), Indra (Śakra) gave me a sun-like diadem for my head. Therefore, they call me Kirīṭin (the crowned one).

Words meanings summery:

• पुरा (purā) - formerly, previously, in ancient times

• शक्रेण (śakreṇa) - by Indra

• मे (me) - to me

• दत्तं (dattaṁ) - given

• युध्यतः (yudhyataḥ) - of one fighting, while fighting

• दानववर्षभैः (dānavavarṣabhaiḥ) - by the best of the Dānavas, with the foremost Dānavas

• किरीटं (kirīṭaṁ) - a diadem, crown

• मूर्ध्नि (mūrdhni) - on the head, on the top

• सूर्याभं (sūryābhaṁ) - sun-like, radiant like the sun

• तेन (tena) - therefore, by that, by it

• माम् (mām) - me

• आहुः (āhuḥ) - they say, they call

• किरीटिनम् (kirīṭinam) - Kirīṭin (a name of Arjuna) (the crowned one, wearer of a diadem)

Words meanings and morphology

पुरा (purā) - formerly, previously, in ancient times

(indeclinable)

शक्रेण (śakreṇa) - by Indra

(proper noun)

Instrumental, masculine, singular of śakra

śakra - Indra (name of the chief of the devas)

मे (me) - to me

(pronoun)

Dative, singular of asmad

asmad - I

दत्तं (dattaṁ) - given

(adjective)

Nominative, neuter, singular of datta

datta - given, granted, presented

Past Passive Participle

Derived from the root √dā (to give).

Root: dā (class 3)

युध्यतः (yudhyataḥ) - of one fighting, while fighting

(adjective)

Genitive, masculine, singular of yudhyat

yudhyat - fighting, warring

Present Active Participle

Derived from the root √yudh (to fight) with the Ātmanepada suffix -at.

Root: yudh (class 4)

दानववर्षभैः (dānavavarṣabhaiḥ) - by the best of the Dānavas, with the foremost Dānavas

(noun)

Instrumental, masculine, plural of dānavavarṣabha

dānavavarṣabha - best or foremost among Dānavas

Compound type : Ṣaṣṭhī Tatpuruṣa (dānava+vṛṣabha)

• dānava – a descendant of Danu, a class of demons or asuras
  noun (masculine)
• vṛṣabha – bull, chief, best, excellent
  noun (masculine)

किरीटं (kirīṭaṁ) - a diadem, crown

(noun)

Accusative, neuter, singular of kirīṭa

kirīṭa - diadem, crown, turban

मूर्ध्नि (mūrdhni) - on the head, on the top

(noun)

Locative, masculine, singular of mūrdhan

mūrdhan - head, top, summit

सूर्याभं (sūryābhaṁ) - sun-like, radiant like the sun

(adjective)

Accusative, neuter, singular of sūryābha

sūryābha - sun-like, resembling the sun, radiant as the sun

Compound type : Upamāna Pūrva Pada Bahuvrīhi (sūrya+ābha)

• sūrya – sun
  noun (masculine)
• ābha – splendor, light, likeness, resembling
  noun (masculine)

तेन (tena) - therefore, by that, by it

(indeclinable)

Note: Used here adverbially to mean 'therefore' or 'for that reason'.

माम् (mām) - me

(pronoun)

Accusative, singular of asmad

asmad - I

आहुः (āhuḥ) - they say, they call

(verb)

3rd person , plural, active, perfect (used with present meaning) (Lit) of √ah

Root: ah (class 2)

किरीटिनम् (kirīṭinam) - Kirīṭin (a name of Arjuna) (the crowned one, wearer of a diadem)

(proper noun)

Accusative, masculine, singular of kirīṭin

kirīṭin - having a diadem or crown, crowned

Possessive suffix -in added to kirīṭa.