महाभारतः mahābhārataḥ - book-7, chapter-131, verse-124

प्रायादतिमहाघोरं यमक्षयमहोदधिम् ।
निहत्य राक्षसान्बाणैर्द्रौणिर्हैडिम्बमार्दयत् ॥१२४॥

124. prāyādatimahāghoraṁ yamakṣayamahodadhim ,
nihatya rākṣasānbāṇairdrauṇirhaiḍimbamārdayat.

124. prāyāt atimahāghoram yamakṣayamahodadhim nihatya
rākṣasān bāṇaiḥ drauṇiḥ haiḍimbam ārdrayat

124. drauṇiḥ bāṇaiḥ rākṣasān nihatya atimahāghoram yamakṣayamahodadhim prāyāt,
haiḍimbam ārdrayat

124. Droṇi (Drauṇiḥ) advanced towards (what was like) a very terrible, great ocean, the abode of Yama (Yamakṣaya). Having slain the Rākṣasas with arrows, he then afflicted the son of Hiḍimbā (Haiḍimbam).

Words meanings summery:

• प्रायात् (prāyāt) - he went, approached, proceeded

• अतिमहाघोरम् (atimahāghoram) - very terrible, extremely dreadful

• यमक्षयमहोदधिम् (yamakṣayamahodadhim) - a metaphor for the terrifying enemy or battlefield leading to death (great ocean, the abode of Yama)

• निहत्य (nihatya) - having killed, having struck down

• राक्षसान् (rākṣasān) - demons, Rākṣasas

• बाणैः (bāṇaiḥ) - by arrows

• द्रौणिः (drauṇiḥ) - Aśvatthāman, son of Droṇa (Droṇi)

• हैडिम्बम् (haiḍimbam) - Ghaṭotkaca, the son of the Rākṣasī Hiḍimbā and Bhīma. (son of Hiḍimbā (Ghaṭotkaca))

• आर्द्रयत् (ārdrayat) - he afflicted, tormented, crushed

Words meanings and morphology

प्रायात् (prāyāt) - he went, approached, proceeded

(verb)

3rd person , singular, active, imperfect (laṅ) of prāyā

From pra-√yā (to go).

Prefix: pra

Root: yā (class 2)

अतिमहाघोरम् (atimahāghoram) - very terrible, extremely dreadful

(adjective)

Accusative, masculine, singular of atimahāghora

atimahāghora - extremely dreadful/terrible

Compound type : tatpuruṣa (ati+mahāghora)

• ati – very, excessively, beyond
  indeclinable
• mahāghora – very terrible, greatly dreadful
  adjective (masculine)

Note: Modifies 'yamakṣayamahodadhim' (implied as an object of approach/attack).

यमक्षयमहोदधिम् (yamakṣayamahodadhim) - a metaphor for the terrifying enemy or battlefield leading to death (great ocean, the abode of Yama)

(noun)

Accusative, masculine, singular of yamakṣayamahodadhi

yamakṣayamahodadhi - great ocean that is Yama's abode/destruction

Compound type : karmadhāraya (yamakṣaya+mahāudadhi)

• yamakṣaya – Yama's abode, realm of death, destruction by Yama
  noun (masculine)
• mahāudadhi – great ocean
  noun (masculine)
  mahā + udadhi (ocean)

Note: Object of the verb prāyāt, understood as 'approaching a terrible situation or person like this'.

निहत्य (nihatya) - having killed, having struck down

(indeclinable)

absolutive

Formed from ni-√han with suffix -tya.

Prefix: ni

Root: han (class 2)

Note: Refers to the action performed by the subject (Drauṇiḥ) prior to the main action.

राक्षसान् (rākṣasān) - demons, Rākṣasas

(noun)

Accusative, masculine, plural of rākṣasa

rākṣasa - Rākṣasa, demon

Derived from rakṣas (evil spirit).

Note: Object of the absolutive nihatya.

बाणैः (bāṇaiḥ) - by arrows

(noun)

Instrumental, masculine, plural of bāṇa

bāṇa - arrow

Note: Instrument of killing.

द्रौणिः (drauṇiḥ) - Aśvatthāman, son of Droṇa (Droṇi)

(proper noun)

Nominative, masculine, singular of drauṇi

drauṇi - son of Droṇa (Aśvatthāman)

Patronymic from Droṇa.

हैडिम्बम् (haiḍimbam) - Ghaṭotkaca, the son of the Rākṣasī Hiḍimbā and Bhīma. (son of Hiḍimbā (Ghaṭotkaca))

(proper noun)

Accusative, masculine, singular of haiḍimba

haiḍimba - son of Hiḍimbā (Ghaṭotkaca)

Patronymic from Hiḍimbā.

Note: Object of the verb ārdrayat.

आर्द्रयत् (ārdrayat) - he afflicted, tormented, crushed

(verb)

3rd person , singular, active, imperfect (laṅ) of ārdraya

causative

Causative of root √ṛd (to trouble, torment) or √ṛdh (to afflict).

Root: ṛd (class 1)