महाभारतः mahābhārataḥ - book-9, chapter-18, verse-18

अद्य कृष्णस्य माहात्म्यं जानातु स महीपतिः ।
अद्यार्जुनधनुर्घोषं घोरं जानातु संयुगे ॥१८॥

18. adya kṛṣṇasya māhātmyaṁ jānātu sa mahīpatiḥ ,
adyārjunadhanurghoṣaṁ ghoraṁ jānātu saṁyuge.

18. adya kṛṣṇasya māhātmyaṃ jānātu saḥ mahīpatiḥ
adya arjunadhanurghoṣaṃ ghoraṃ jānātu saṃyuge

18. adya saḥ mahīpatiḥ kṛṣṇasya māhātmyaṃ jānātu
adya saṃyuge ghoraṃ arjunadhanurghoṣaṃ jānātu

18. Today, let that king understand the greatness of Krishna. Today, in battle, let him recognize the dreadful sound of Arjuna's bow.

Words meanings summery:

• अद्य (adya) - today, now

• कृष्णस्य (kṛṣṇasya) - of Krishna

• माहात्म्यं (māhātmyaṁ) - greatness, glory, majesty

• जानातु (jānātu) - let him know/understand

• सः (saḥ) - that, he

• महीपतिः (mahīpatiḥ) - that king (referring to Duryodhana) (king, lord of the earth)

• अद्य (adya) - today, now

• अर्जुनधनुर्घोषं (arjunadhanurghoṣaṁ) - the sound of Arjuna's bow

• घोरं (ghoraṁ) - terrible, dreadful, fierce

• जानातु (jānātu) - let him know/understand

• संयुगे (saṁyuge) - in battle, in conflict

Words meanings and morphology

अद्य (adya) - today, now

(indeclinable)

कृष्णस्य (kṛṣṇasya) - of Krishna

(proper noun)

Genitive, masculine, singular of kṛṣṇa

kṛṣṇa - Krishna (a deity, an incarnation of Vishnu, or a prince)

माहात्म्यं (māhātmyaṁ) - greatness, glory, majesty

(noun)

Accusative, neuter, singular of māhātmya

māhātmya - greatness, glory, majesty, noble nature

जानातु (jānātu) - let him know/understand

(verb)

3rd person , singular, active, imperative (loṭ) of jñā

Root: jñā (class 9)

सः (saḥ) - that, he

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

महीपतिः (mahīpatiḥ) - that king (referring to Duryodhana) (king, lord of the earth)

(noun)

Nominative, masculine, singular of mahīpati

mahīpati - king, sovereign, lord of the earth

Compound type : tatpuruṣa (mahī+pati)

• mahī – earth, ground, land
  noun (feminine)
• pati – master, lord, owner, husband
  noun (masculine)

अद्य (adya) - today, now

(indeclinable)

अर्जुनधनुर्घोषं (arjunadhanurghoṣaṁ) - the sound of Arjuna's bow

(noun)

Accusative, masculine, singular of arjunadhanurghoṣa

arjunadhanurghoṣa - the sound/roar of Arjuna's bow

Compound type : tatpuruṣa (arjuna+dhanus+ghoṣa)

• arjuna – Arjuna (name of a Pāṇḍava prince)
  proper noun (masculine)
• dhanus – bow, weapon
  noun (neuter)
• ghoṣa – sound, roar, loud noise
  noun (masculine)

घोरं (ghoraṁ) - terrible, dreadful, fierce

(adjective)

Accusative, masculine, singular of ghora

ghora - terrible, dreadful, formidable, fierce, awful

जानातु (jānātu) - let him know/understand

(verb)

3rd person , singular, active, imperative (loṭ) of jñā

Root: jñā (class 9)

संयुगे (saṁyuge) - in battle, in conflict

(noun)

Locative, masculine, singular of saṃyuga

saṁyuga - battle, conflict, encounter, war

Prefix: sam

Root: yuj (class 7)