महाभारतः mahābhārataḥ - book-12, chapter-38, verse-21

नेदानीमतिनिर्बन्धं शोके कर्तुमिहार्हसि ।
यदाह भगवान्व्यासस्तत्कुरुष्व नृपोत्तम ॥२१॥

21. nedānīmatinirbandhaṁ śoke kartumihārhasi ,
yadāha bhagavānvyāsastatkuruṣva nṛpottama.

21. na idānīm atinirbandham śoke kartum iha arhasi
yat āha bhagavān vyāsaḥ tat kuruṣva nṛpottama

21. nṛpottama,
idānīm iha śoke atinirbandham kartum na arhasi,
yat bhagavān vyāsaḥ āha,
tat kuruṣva

21. O best of kings, you should not now indulge in excessive insistence upon sorrow here. Rather, do as the revered (Bhagavān) Vyasa has instructed.

Words meanings summery:

• न (na) - not, no, nor

• इदानीम् (idānīm) - now, at this time

• अतिनिर्बन्धम् (atinirbandham) - excessive insistence (upon sorrow) (excessive insistence, stubbornness, strong attachment)

• शोके (śoke) - in sorrow, in grief

• कर्तुम् (kartum) - to do, to make, to perform

• इह (iha) - here (in this situation/place) (here, in this world, in this matter)

• अर्हसि (arhasi) - you are able, you ought, you deserve

• यत् (yat) - what (Vyasa said) (what, which, that)

• आह (āha) - said, spoke

• भगवान् (bhagavān) - the revered (Vyasa) (revered, glorious, divine, blessed one)

• व्यासः (vyāsaḥ) - Vyasa (name of a sage and compiler)

• तत् (tat) - that (which Vyasa said) (that, therefore, so)

• कुरुष्व (kuruṣva) - do!, make!, perform!

• नृपोत्तम (nṛpottama) - O best of kings, O excellent king

Words meanings and morphology

न (na) - not, no, nor

(indeclinable)

इदानीम् (idānīm) - now, at this time

(indeclinable)

अतिनिर्बन्धम् (atinirbandham) - excessive insistence (upon sorrow) (excessive insistence, stubbornness, strong attachment)

(noun)

Accusative, masculine, singular of atinirbandha

atinirbandha - excessive persistence, stubborn adherence, strong attachment

Compound of ati (excessive) and nirbandha (insistence).

Compound type : tatpuruṣa (ati+nirbandha)

• ati – over, beyond, excessive
  indeclinable
• nirbandha – insistence, persistence, constraint, firm attachment
  noun (masculine)
  From prefix nir- and root bandh (to bind).
  Prefix: nir
  Root: bandh (class 1)

शोके (śoke) - in sorrow, in grief

(noun)

Locative, masculine, singular of śoka

śoka - sorrow, grief, lamentation

From root śuc (to grieve).

Root: śuc (class 1)

कर्तुम् (kartum) - to do, to make, to perform

(indeclinable)

infinitive

Infinitive form of root kṛ.

Root: kṛ (class 8)

Note: An infinitive acts as an indeclinable noun.

इह (iha) - here (in this situation/place) (here, in this world, in this matter)

(indeclinable)

अर्हसि (arhasi) - you are able, you ought, you deserve

(verb)

2nd person , singular, active, present (lat) of arh

Root: arh (class 1)

यत् (yat) - what (Vyasa said) (what, which, that)

(pronoun)

Accusative, neuter, singular of yad

yad - which, what

आह (āha) - said, spoke

(verb)

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

Perfect form of root brū, irregular past perfect tense.

Root: brū (class 2)

भगवान् (bhagavān) - the revered (Vyasa) (revered, glorious, divine, blessed one)

(adjective)

Nominative, masculine, singular of bhagavat

bhagavat - revered, glorious, divine, fortunate, prosperous

Derived from bhaga (fortune, prosperity).

व्यासः (vyāsaḥ) - Vyasa (name of a sage and compiler)

(proper noun)

Nominative, masculine, singular of vyāsa

vyāsa - Vyasa (name of a celebrated sage, compiler of the Vedas and Mahabharata)

तत् (tat) - that (which Vyasa said) (that, therefore, so)

(pronoun)

Accusative, neuter, singular of tad

tad - that, he, she, it

कुरुष्व (kuruṣva) - do!, make!, perform!

(verb)

2nd person , singular, middle, imperative (lot) of kṛ

Root: kṛ (class 8)

नृपोत्तम (nṛpottama) - O best of kings, O excellent king

(noun)

Vocative, masculine, singular of nṛpottama

nṛpottama - best of kings, excellent king

Compound of nṛpa (king) and uttama (best).

Compound type : tatpuruṣa (nṛpa+uttama)

• nṛpa – king, protector of men
  noun (masculine)
  Compound of nṛ (man) and pā (to protect).
• uttama – best, highest, supreme
  adjective (masculine)
  Superlative of ud (up/out).