महाभारतः mahābhārataḥ - book-3, chapter-41, verse-19

उपतस्थे महात्मानं यथा त्र्यक्षमुमापतिम् ।
प्रतिजग्राह तच्चापि प्रीतिमानर्जुनस्तदा ॥१९॥

19. upatasthe mahātmānaṁ yathā tryakṣamumāpatim ,
pratijagrāha taccāpi prītimānarjunastadā.

19. upatasthe mahātmānam yathā tryakṣam umāpatim
pratijagrāha tat ca api prītimān arjunaḥ tadā

19. He (Arjuna) reverently approached the great teacher (Viśveśa), just as one would approach the three-eyed Lord of Umā (Śiva). Then, Arjuna, filled with delight, also accepted that (weapon).

Words meanings summery:

• उपतस्थे (upatasthe) - he (Arjuna) reverently approached (he approached, he worshipped, he stood near)

• महात्मानम् (mahātmānam) - the great teacher (Viśveśa/Krishna) (the great-souled one, the venerable one)

• यथा (yathā) - just as, as

• त्र्यक्षम् (tryakṣam) - Śiva, the three-eyed one (the three-eyed one)

• उमापतिम् (umāpatim) - Lord of Umā (an epithet of Śiva) (the Lord of Umā)

• प्रतिजग्राह (pratijagrāha) - he received, accepted

• तत् (tat) - that (weapon) (that)

• च (ca) - and, also

• अपि (api) - also, even

• प्रीतिमान् (prītimān) - delighted, joyful, pleased

• अर्जुनः (arjunaḥ) - Arjuna (proper noun)

• तदा (tadā) - then, at that time

Words meanings and morphology

उपतस्थे (upatasthe) - he (Arjuna) reverently approached (he approached, he worshipped, he stood near)

(verb)

3rd person , singular, middle, perfect (lit) of upasthā

Prefix: upa

Root: sthā (class 1)

महात्मानम् (mahātmānam) - the great teacher (Viśveśa/Krishna) (the great-souled one, the venerable one)

(noun)

Accusative, masculine, singular of mahātman

mahātman - great-souled, noble, sublime, a great person

Compound type : karmadhāraya (mahat+ātman)

• mahat – great, large, vast
  adjective
• ātman – self, soul, spirit (ātman), essence
  noun (masculine)

यथा (yathā) - just as, as

(indeclinable)

त्र्यक्षम् (tryakṣam) - Śiva, the three-eyed one (the three-eyed one)

(proper noun)

Accusative, masculine, singular of tryakṣa

tryakṣa - three-eyed (an epithet of Śiva)

Compound type : bahuvrihi (tri+akṣan)

• tri – three
  numeral
• akṣan – eye
  noun (neuter)

उमापतिम् (umāpatim) - Lord of Umā (an epithet of Śiva) (the Lord of Umā)

(proper noun)

Accusative, masculine, singular of umāpati

umāpati - husband or lord of Umā (Śiva)

Compound type : tatpuruṣa (umā+pati)

• umā – Umā (a name of Pārvatī)
  proper noun (feminine)
• pati – lord, master, husband
  noun (masculine)

प्रतिजग्राह (pratijagrāha) - he received, accepted

(verb)

3rd person , singular, active, perfect (lit) of pratigrah

Prefix: prati

Root: grah (class 9)

तत् (tat) - that (weapon) (that)

(pronoun)

Accusative, neuter, singular of tad

tad - that, it

च (ca) - and, also

(indeclinable)

अपि (api) - also, even

(indeclinable)

प्रीतिमान् (prītimān) - delighted, joyful, pleased

(adjective)

Nominative, masculine, singular of prītimat

prītimat - delighted, joyful, pleased

from prīti + -mat (possessive suffix)

अर्जुनः (arjunaḥ) - Arjuna (proper noun)

(proper noun)

Nominative, masculine, singular of arjuna

arjuna - Arjuna, a hero of the Mahābhārata

तदा (tadā) - then, at that time

(indeclinable)