महाभारतः mahābhārataḥ - book-3, chapter-42, verse-42

ततोऽर्जुनो मुदं लेभे लब्धास्त्रः पुरुषर्षभः ।
कृतार्थमिव चात्मानं स मेने पूर्णमानसः ॥४२॥

42. tato'rjuno mudaṁ lebhe labdhāstraḥ puruṣarṣabhaḥ ,
kṛtārthamiva cātmānaṁ sa mene pūrṇamānasaḥ.

42. tataḥ arjunaḥ mudam lebhe labdhāstraḥ puruṣarṣabhaḥ
kṛtārtham iva ca ātmānam saḥ mene pūrṇamānasaḥ

42. Then, Arjuna, the foremost among men (puruṣa), having received the weapons, experienced great joy. With his mind now completely satisfied, he considered himself as though his life's purpose (artha) had been fulfilled.

Words meanings summery:

• ततः (tataḥ) - then (then, thence, from that)

• अर्जुनः (arjunaḥ) - Arjuna (Arjuna (name))

• मुदम् (mudam) - joy (joy, delight, pleasure)

• लेभे (lebhe) - experienced, felt (obtained, received, got, gained, felt)

• लब्धास्त्रः (labdhāstraḥ) - having received the weapons (having obtained weapons, one who has received weapons)

• पुरुषर्षभः (puruṣarṣabhaḥ) - foremost among men (puruṣa) (bull among men, foremost of men, best of men)

• कृतार्थम् (kṛtārtham) - as though his purpose (artha) was achieved (having accomplished one's object, successful, fulfilled)

• इव (iva) - as if (as if, like, as)

• च (ca) - and (and, also)

• आत्मानम् (ātmānam) - himself (ātman) (self, soul (ātman))

• सः (saḥ) - he (he, that)

• मेने (mene) - he considered (considered, thought, believed)

• पूर्णमानसः (pūrṇamānasaḥ) - with a fulfilled mind (full-minded, with a satisfied mind)

Words meanings and morphology

ततः (tataḥ) - then (then, thence, from that)

(indeclinable)

Ablative derivative from tad

अर्जुनः (arjunaḥ) - Arjuna (Arjuna (name))

(proper noun)

Nominative, masculine, singular of arjuna

arjuna - Arjuna (name of a Pandava prince); white, silver

मुदम् (mudam) - joy (joy, delight, pleasure)

(noun)

Accusative, feminine, singular of mud

mud - joy, delight, pleasure, happiness

लेभे (lebhe) - experienced, felt (obtained, received, got, gained, felt)

(verb)

3rd person , singular, active, past perfect (liṭ) of labh

root labh (1st class, Ātmanepada)

Root: labh (class 1)

Note: (Ātmanepada form)

लब्धास्त्रः (labdhāstraḥ) - having received the weapons (having obtained weapons, one who has received weapons)

(adjective)

Nominative, masculine, singular of labdhāstra

labdhāstra - one who has obtained weapons

Compound type : bahuvrīhi (labdha+astra)

• labdha – obtained, received, gained
  adjective (masculine)
  Past Passive Participle
  from root labh
  Root: labh (class 1)
• astra – weapon, missile
  noun (neuter)

पुरुषर्षभः (puruṣarṣabhaḥ) - foremost among men (puruṣa) (bull among men, foremost of men, best of men)

(noun)

Nominative, masculine, singular of puruṣarṣabha

puruṣarṣabha - foremost of men, bull among men

Compound type : tatpuruṣa (puruṣa+ṛṣabha)

• puruṣa – man, human being, person, cosmic person (puruṣa)
  noun (masculine)
• ṛṣabha – bull, chief, excellent, best
  noun (masculine)

Note: (Appositional compound, describing Arjuna)

कृतार्थम् (kṛtārtham) - as though his purpose (artha) was achieved (having accomplished one's object, successful, fulfilled)

(adjective)

Accusative, masculine, singular of kṛtārtha

kṛtārtha - one whose object is accomplished, successful, fulfilled

Compound type : bahuvrīhi (kṛta+artha)

• kṛta – done, made, accomplished
  adjective (masculine)
  Past Passive Participle
  from root kṛ
  Root: kṛ (class 8)
• artha – purpose, object, aim, meaning, wealth (artha)
  noun (masculine)

Note: (modifies ātmānam)

इव (iva) - as if (as if, like, as)

(indeclinable)

च (ca) - and (and, also)

(indeclinable)

आत्मानम् (ātmānam) - himself (ātman) (self, soul (ātman))

(noun)

Accusative, masculine, singular of ātman

ātman - self, soul, spirit, individual soul (ātman)

सः (saḥ) - he (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

मेने (mene) - he considered (considered, thought, believed)

(verb)

3rd person , singular, active, past perfect (liṭ) of man

root man (4th class, Ātmanepada)

Root: man (class 4)

Note: (Ātmanepada form)

पूर्णमानसः (pūrṇamānasaḥ) - with a fulfilled mind (full-minded, with a satisfied mind)

(adjective)

Nominative, masculine, singular of pūrṇamānasa

pūrṇamānasa - with a full or satisfied mind

Compound type : bahuvrīhi (pūrṇa+mānasa)

• pūrṇa – full, complete, fulfilled, satisfied
  adjective (masculine)
  Past Passive Participle
  from root pṛ
  Root: pṛ (class 9)
• mānasa – relating to the mind, mental, mind
  noun (neuter)

Note: (describes Arjuna)