महाभारतः mahābhārataḥ - book-3, chapter-21, verse-8

अप्रमादः सदा कार्यो नगरे यादवर्षभाः ।
शाल्वराजविनाशाय प्रयातं मां निबोधत ॥८॥

8. apramādaḥ sadā kāryo nagare yādavarṣabhāḥ ,
śālvarājavināśāya prayātaṁ māṁ nibodhata.

8. apramādaḥ sadā kāryaḥ nagare yādavarṣabhāḥ
śālvarājavināśāya prayātam mām nibodhata

8. O chiefs among the Yādavas, vigilance must always be maintained in the city. Understand that I have departed to destroy King Śālva.

Words meanings summery:

• अप्रमादः (apramādaḥ) - vigilance, carefulness, absence of negligence

• सदा (sadā) - always, ever

• कार्यः (kāryaḥ) - should be done, ought to be performed, should be maintained

• नगरे (nagare) - in the city

• यादवर्षभाः (yādavarṣabhāḥ) - O chiefs/bulls of the Yādavas, O best among Yādavas

• शाल्वराजविनाशाय (śālvarājavināśāya) - for the destruction of King Śālva

• प्रयातम् (prayātam) - gone forth, departed, set out

• माम् (mām) - me

• निबोधत (nibodhata) - know, understand (plural imperative)

Words meanings and morphology

अप्रमादः (apramādaḥ) - vigilance, carefulness, absence of negligence

(noun)

Nominative, masculine, singular of apramāda

apramāda - vigilance, carefulness, diligence, absence of intoxication or negligence

from a (negation) + pra-mada (intoxication, negligence)

Compound type : nañ-tatpurusha (a+pramāda)

• a – not, un-
  indeclinable
  negative prefix
• pramāda – negligence, heedlessness, intoxication
  noun (masculine)
  from pra + mad
  Prefix: pra
  Root: mad (class 4)

सदा (sadā) - always, ever

(indeclinable)

कार्यः (kāryaḥ) - should be done, ought to be performed, should be maintained

(gerundive)

नगरे (nagare) - in the city

(noun)

Locative, neuter, singular of nagara

nagara - city, town

यादवर्षभाः (yādavarṣabhāḥ) - O chiefs/bulls of the Yādavas, O best among Yādavas

(proper noun)

Vocative, masculine, plural of yādavarṣabha

yādavarṣabha - chief of the Yādavas, best among Yādavas

Compound type : tatpurusha (yādava+ṛṣabha)

• yādava – descendant of Yadu, a member of the Yadu clan
  proper noun (masculine)
• ṛṣabha – bull, chief, best
  noun (masculine)

शाल्वराजविनाशाय (śālvarājavināśāya) - for the destruction of King Śālva

(noun)

Dative, masculine, singular of śālvarājavināśa

śālvarājavināśa - destruction of King Śālva

Compound type : tatpurusha (śālva+rāja+vināśa)

• śālva – name of a king
  proper noun (masculine)
• rāja – king
  noun (masculine)
• vināśa – destruction, ruin
  noun (masculine)
  from vi + naś
  Prefix: vi
  Root: naś (class 4)

प्रयातम् (prayātam) - gone forth, departed, set out

(participle)

Accusative, masculine, singular of prayāta

prayāta - gone forth, departed, set out

past passive participle

from pra + yā (to go)

Prefix: pra

Root: yā (class 2)

Note: Often used actively with verbs of knowing/perceiving.

माम् (mām) - me

(pronoun)

Accusative, singular of asmad

asmad - I, me, we, us

निबोधत (nibodhata) - know, understand (plural imperative)

(verb)

2nd person , plural, active, imperative (loṭ) of nibudh

from ni + budh (to know, to awaken)

Prefix: ni

Root: budh (class 1)