महाभारतः mahābhārataḥ - book-5, chapter-143, verse-4

प्रकाशकर्मा तपनो योऽयं देवो विरोचनः ।
अजीजनत्त्वां मय्येष कर्ण शस्त्रभृतां वरम् ॥४॥

4. prakāśakarmā tapano yo'yaṁ devo virocanaḥ ,
ajījanattvāṁ mayyeṣa karṇa śastrabhṛtāṁ varam.

4. prakāśakarmā tapanaḥ yaḥ ayam devaḥ virocanaḥ
ajījanat tvām mayi eṣaḥ karṇa śastrabṛtām varam

4. karṇa,
yaḥ ayam prakāśakarmā tapanaḥ virocanaḥ devaḥ,
eṣaḥ mayi śastrabṛtām varam tvām ajījanat

4. This radiant god, the scorching sun, whose actions are brilliant, he begot you in me. O Karna, (you are) the best among weapon-bearers.

Words meanings summery:

• प्रकाशकर्मा (prakāśakarmā) - whose actions are brilliant (epithet for the Sun god) (whose actions are brilliant, shining-worker)

• तपनः (tapanaḥ) - the scorcher, the sun

• यः (yaḥ) - who, which

• अयम् (ayam) - this

• देवः (devaḥ) - god, deity

• विरोचनः (virocanaḥ) - the radiant one, shining; an epithet of the Sun-god

• अजीजनत् (ajījanat) - he begot, he produced

• त्वाम् (tvām) - you (Karna) (you)

• मयि (mayi) - in me (Kunti) (in me, upon me)

• एषः (eṣaḥ) - this one (referring to the Sun god) (this one)

• कर्ण (karṇa) - O Karna!

• शस्त्रबृताम् (śastrabṛtām) - of weapon-bearers, among weapon-bearers

• वरम् (varam) - the best one (among weapon-bearers) (the best, excellent, superior)

Words meanings and morphology

प्रकाशकर्मा (prakāśakarmā) - whose actions are brilliant (epithet for the Sun god) (whose actions are brilliant, shining-worker)

(adjective)

Nominative, masculine, singular of prakāśakarman

prakāśakarman - whose actions are brilliant; working with light

Compound type : bahuvrīhi (prakāśa+karman)

• prakāśa – light, splendor, brilliance, manifestation
  noun (masculine)
• karman – action, deed, work, ritual (karma)
  noun (neuter)
  Root: kṛ (class 8)

तपनः (tapanaḥ) - the scorcher, the sun

(noun)

Nominative, masculine, singular of tapana

tapana - heating, scorching, tormenting; the Sun

agent noun/adjective from root tap

Root: tap (class 1)

यः (yaḥ) - who, which

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

अयम् (ayam) - this

(pronoun)

Nominative, masculine, singular of idam

idam - this

देवः (devaḥ) - god, deity

(noun)

Nominative, masculine, singular of deva

deva - god, deity, divine being

Root: div (class 4)

विरोचनः (virocanaḥ) - the radiant one, shining; an epithet of the Sun-god

(proper noun)

Nominative, masculine, singular of virocana

virocana - shining, radiant; an epithet of the Sun-god, Agni, Yama

Prefix: vi

Root: ruc (class 1)

अजीजनत् (ajījanat) - he begot, he produced

(verb)

3rd person , singular, active, past imperfect (luṅ) of jan

Causative Imperfect

Imperfect (Luṅ) of the causative stem of root 'jan'.

Root: jan (class 4)

त्वाम् (tvām) - you (Karna) (you)

(pronoun)

Accusative, singular of tvam

tvam - you

मयि (mayi) - in me (Kunti) (in me, upon me)

(pronoun)

Locative, singular of aham

aham - I, me

एषः (eṣaḥ) - this one (referring to the Sun god) (this one)

(pronoun)

Nominative, masculine, singular of etas

etas - this

कर्ण (karṇa) - O Karna!

(proper noun)

Vocative, masculine, singular of karṇa

karṇa - Karna (name of Kunti's first-born son)

शस्त्रबृताम् (śastrabṛtām) - of weapon-bearers, among weapon-bearers

(noun)

Genitive, masculine, plural of śastrabṛt

śastrabṛt - weapon-bearer, warrior

Compound type : tatpuruṣa (śastra+bhṛt)

• śastra – weapon, arm, sword
  noun (neuter)
• bhṛt – bearing, holding, maintaining
  adjective
  agent noun/adjective from root bhṛ
  Root: bhṛ (class 3)

वरम् (varam) - the best one (among weapon-bearers) (the best, excellent, superior)

(adjective)

Accusative, masculine, singular of vara

vara - best, excellent, principal; boon, blessing

Note: Agrees with 'tvām' (you).