महाभारतः mahābhārataḥ - book-7, chapter-50, verse-9

ततः स्वशिबिरं प्राप्तौ हतानन्दं हतत्विषम् ।
वासुदेवोऽर्जुनश्चैव कृत्वा कर्म सुदुष्करम् ॥९॥

9. tataḥ svaśibiraṁ prāptau hatānandaṁ hatatviṣam ,
vāsudevo'rjunaścaiva kṛtvā karma suduṣkaram.

9. tataḥ sva-śibiram prāptau hata-ānandam hata-tviṣam
| vāsudevaḥ arjunaḥ ca eva kṛtvā karma su-duṣkaram

9. tataḥ vāsudevaḥ arjunaḥ ca eva su-duṣkaram karma
kṛtvā hata-ānandam hata-tviṣam sva-śibiram prāptau

9. Then, Vāsudeva (Krishna) and Arjuna, after having performed an exceedingly difficult deed (karma), arrived at their own camp, which they found devoid of joy and luster.

Words meanings summery:

• ततः (tataḥ) - then, afterwards

• स्व-शिबिरम् (sva-śibiram) - their (Arjuna and Krishna's) own military camp (own camp)

• प्राप्तौ (prāptau) - Arjuna and Krishna having reached (the camp) (the two having reached, obtained)

• हत-आनन्दम् (hata-ānandam) - referring to the camp, which was devoid of joy (joyless, whose joy is destroyed)

• हत-त्विषम् (hata-tviṣam) - referring to the camp, which was devoid of luster (lusterless, whose radiance is destroyed)

• वासुदेवः (vāsudevaḥ) - Lord Krishna (Vāsudeva (Krishna))

• अर्जुनः (arjunaḥ) - the Pāṇḍava prince Arjuna (Arjuna)

• च (ca) - and

• एव (eva) - indeed, only

• कृत्वा (kṛtvā) - having performed (the difficult deed) (having done, having performed)

• कर्म (karma) - a difficult deed or action (karma) in battle (deed, action, work, ritual action (karma))

• सु-दुष्करम् (su-duṣkaram) - the deed (karma) was exceedingly difficult (very difficult, extremely hard to do)

Words meanings and morphology

ततः (tataḥ) - then, afterwards

(indeclinable)

स्व-शिबिरम् (sva-śibiram) - their (Arjuna and Krishna's) own military camp (own camp)

(noun)

Accusative, neuter, singular of sva-śibira

sva-śibira - one's own camp

Compound type : tatpurusha (sva+śibira)

• sva – one's own, self
  pronoun (neuter)
• śibira – camp, encampment, military station
  noun (neuter)

Note: Object of prāptau

प्राप्तौ (prāptau) - Arjuna and Krishna having reached (the camp) (the two having reached, obtained)

(adjective)

Nominative, masculine, dual of prāpta

prāpta - reached, attained, obtained

past passive participle

Past Passive Participle of root āp with upasarga pra-

Prefix: pra

Root: āp (class 5)

Note: Agreement with vāsudevaḥ arjunaḥ

हत-आनन्दम् (hata-ānandam) - referring to the camp, which was devoid of joy (joyless, whose joy is destroyed)

(adjective)

Accusative, neuter, singular of hata-ānanda

hata-ānanda - joyless, whose joy is destroyed

Compound type : bahuvrihi (hata+ānanda)

• hata – struck, killed, destroyed
  adjective (neuter)
  past passive participle
  Past Passive Participle of root han
  Root: han (class 2)
• ānanda – joy, delight, happiness
  noun (masculine)

Note: Modifies sva-śibiram

हत-त्विषम् (hata-tviṣam) - referring to the camp, which was devoid of luster (lusterless, whose radiance is destroyed)

(adjective)

Accusative, neuter, singular of hata-tviṣ

hata-tviṣ - lusterless, whose radiance is destroyed

Compound type : bahuvrihi (hata+tviṣ)

• hata – struck, killed, destroyed
  adjective (neuter)
  past passive participle
  Past Passive Participle of root han
  Root: han (class 2)
• tviṣ – luster, brilliance, splendor
  noun (feminine)
  Root: tviṣ

Note: Modifies sva-śibiram

वासुदेवः (vāsudevaḥ) - Lord Krishna (Vāsudeva (Krishna))

(proper noun)

Nominative, masculine, singular of vāsudeva

vāsudeva - son of Vasudeva, Krishna

अर्जुनः (arjunaḥ) - the Pāṇḍava prince Arjuna (Arjuna)

(proper noun)

Nominative, masculine, singular of arjuna

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

च (ca) - and

(indeclinable)

एव (eva) - indeed, only

(indeclinable)

कृत्वा (kṛtvā) - having performed (the difficult deed) (having done, having performed)

(indeclinable)

absolutive

Absolutive (gerund) of root kṛ

Root: kṛ (class 8)

कर्म (karma) - a difficult deed or action (karma) in battle (deed, action, work, ritual action (karma))

(noun)

Accusative, neuter, singular of karma

karma - action, deed, work, ritual action, fate (karma)

Root: kṛ (class 8)

Note: Object of kṛtvā

सु-दुष्करम् (su-duṣkaram) - the deed (karma) was exceedingly difficult (very difficult, extremely hard to do)

(adjective)

Accusative, neuter, singular of su-duṣkara

su-duṣkara - very difficult, exceedingly hard to do

Compound type : karmadharaya (su+duṣkara)

• su – good, well, excellent, very
  indeclinable
• duṣkara – difficult, hard to do
  adjective (neuter)
  Derived from root kṛ with prefix dus-
  Prefix: dus
  Root: kṛ (class 8)

Note: Modifies karma