महाभारतः mahābhārataḥ - book-1, chapter-94, verse-80

इत्युक्तः पुनरेवाथ तं दाशः प्रत्यभाषत ।
चिकीर्षुर्दुष्करं कर्म राज्यार्थे भरतर्षभ ॥८०॥

80. ityuktaḥ punarevātha taṁ dāśaḥ pratyabhāṣata ,
cikīrṣurduṣkaraṁ karma rājyārthe bharatarṣabha.

80. iti uktaḥ punaḥ eva atha tam dāśaḥ prati abhāṣata
cikīrṣuḥ duṣkaram karma rājyārthe bharatarṣabha

80. Having been addressed thus, Daśa then again replied to him, O best of Bhāratas, as he intended to perform a difficult task for the sake of the kingdom.

Words meanings summery:

• इति (iti) - thus (referring to what was said) (thus, so, in this manner (marks end of quote or refers to preceding statement))

• उक्तः (uktaḥ) - having been addressed (spoken, said, told, addressed)

• पुनः (punaḥ) - again (again, once more)

• एव (eva) - indeed (emphatic) (indeed, only, certainly)

• अथ (atha) - then (then, now, moreover)

• तम् (tam) - him (referring to Śantanu) (him, that (masculine))

• दाशः (dāśaḥ) - Daśa (proper noun, referring to the father of Satyavatī) (fisherman, chief of fishermen (proper noun))

• प्रति (prati) - in response (prefix of the verb) (towards, against, in return for, in response to)

• अभाषत (abhāṣata) - he spoke, he replied (he spoke, he said)

• चिकीर्षुः (cikīrṣuḥ) - desiring to do, intending to perform (desirous of doing, intending to do)

• दुष्करम् (duṣkaram) - difficult (deed) (difficult to do, hard, arduous)

• कर्म (karma) - deed, task (action, deed, ritual, fate)

• राज्यार्थे (rājyārthe) - for the sake of the kingdom (for the sake of the kingdom, for the purpose of rule)

• भरतर्षभ (bharatarṣabha) - O best of Bhāratas (vocative, addressing Śantanu) (O best of Bhāratas (a dynastic name, referring to descendants of Bharata))

Words meanings and morphology

इति (iti) - thus (referring to what was said) (thus, so, in this manner (marks end of quote or refers to preceding statement))

(indeclinable)

उक्तः (uktaḥ) - having been addressed (spoken, said, told, addressed)

(adjective)

Nominative, masculine, singular of ukta

ukta - spoken, said, told

Past Passive Participle

Derived from root vac- (to speak)

Root: vac (class 2)

Note: Refers to Daśa, who was spoken to.

पुनः (punaḥ) - again (again, once more)

(indeclinable)

एव (eva) - indeed (emphatic) (indeed, only, certainly)

(indeclinable)

अथ (atha) - then (then, now, moreover)

(indeclinable)

तम् (tam) - him (referring to Śantanu) (him, that (masculine))

(pronoun)

Accusative, masculine, singular of tad

tad - he, she, it, that

दाशः (dāśaḥ) - Daśa (proper noun, referring to the father of Satyavatī) (fisherman, chief of fishermen (proper noun))

(proper noun)

Nominative, masculine, singular of dāśa

dāśa - fisherman, a specific proper name (father of Satyavatī)

प्रति (prati) - in response (prefix of the verb) (towards, against, in return for, in response to)

(indeclinable)

Note: Used as an upasarga (prefix) with the verb 'abhāṣata'.

अभाषत (abhāṣata) - he spoke, he replied (he spoke, he said)

(verb)

3rd person , singular, middle, imperfect (laṅ) of bhāṣ

Imperfect Tense, Middle Voice

3rd person singular, middle voice, imperfect tense

Root: bhāṣ (class 1)

Note: Combined with 'prati' to form 'pratyabhāṣata' (replied).

चिकीर्षुः (cikīrṣuḥ) - desiring to do, intending to perform (desirous of doing, intending to do)

(adjective)

Nominative, masculine, singular of cikīrṣu

cikīrṣu - desirous of doing, intending to do, wishing to act

Desiderative Agent Noun / Participle

Derived from desiderative stem of kṛ (to do) + -u

Root: kṛ (class 8)

दुष्करम् (duṣkaram) - difficult (deed) (difficult to do, hard, arduous)

(adjective)

Accusative, neuter, singular of duṣkara

duṣkara - difficult to do, arduous, hard

Compound: dus (bad, difficult) + kara (doer, making)

Compound type : prādi-samāsa (dus+kara)

• dus – bad, difficult, ill-
  indeclinable
  Prefix indicating difficulty or badness
• kara – making, doing, performing; hand; ray
  adjective (neuter)
  Kṛt suffix -a after kṛ
  Derived from root kṛ- (to do)
  Root: kṛ (class 8)

Note: Agrees with 'karma'.

कर्म (karma) - deed, task (action, deed, ritual, fate)

(noun)

Accusative, neuter, singular of karma

karma - action, deed, work, ritual, fate, consequence of action

Root: kṛ (class 8)

Note: Object of 'cikīrṣuḥ'.

राज्यार्थे (rājyārthe) - for the sake of the kingdom (for the sake of the kingdom, for the purpose of rule)

(noun)

Locative, masculine, singular of rājyārtha

rājyārtha - purpose of kingdom, sake of kingdom

Compound type : ṣaṣṭhī-tatpuruṣa (rājya+artha)

• rājya – kingdom, sovereignty, rule
  noun (neuter)
• artha – purpose, aim, meaning, wealth, for the sake of
  noun (masculine)

Note: Locative case indicates purpose or aim.

भरतर्षभ (bharatarṣabha) - O best of Bhāratas (vocative, addressing Śantanu) (O best of Bhāratas (a dynastic name, referring to descendants of Bharata))

(proper noun)

Vocative, masculine, singular of bharatarṣabha

bharatarṣabha - bull among Bhāratas, best of Bhāratas

Compound type : ṣaṣṭhī-tatpuruṣa (bharata+ṛṣabha)

• bharata – Bharata (name of a king, progenitor of a dynasty); one who supports
  proper noun (masculine)
• ṛṣabha – bull; best, chief, excellent one
  noun (masculine)