महाभारतः mahābhārataḥ - book-13, chapter-41, verse-18

स तं घोरेण तपसा युक्तं दृष्ट्वा पुरंदरः ।
प्रावेपत सुसंत्रस्तः शापभीतस्तदा विभो ॥१८॥

18. sa taṁ ghoreṇa tapasā yuktaṁ dṛṣṭvā puraṁdaraḥ ,
prāvepata susaṁtrastaḥ śāpabhītastadā vibho.

18. saḥ tam ghoreṇa tapasā yuktam dṛṣṭvā purandaraḥ
prāvepata susaṃtrastaḥ śāpabhītaḥ tadā vibho

18. vibho saḥ purandaraḥ tam ghoreṇa tapasā yuktam
dṛṣṭvā tadā susaṃtrastaḥ śāpabhītaḥ prāvepata

18. O mighty one, upon seeing him (the sage) engaged in severe asceticism (tapas), Indra trembled greatly, exceedingly terrified and fearful of a curse at that time.

Words meanings summery:

• सः (saḥ) - he, that (masculine)

• तम् (tam) - him, that (masculine accusative)

• घोरेण (ghoreṇa) - terrible, fierce, severe, dreadful

• तपसा (tapasā) - by penance, by ascetic practice (tapas)

• युक्तम् (yuktam) - endowed with, engaged in, joined

• दृष्ट्वा (dṛṣṭvā) - having seen, after seeing

• पुरन्दरः (purandaraḥ) - Lord Indra (Indra (destroyer of cities))

• प्रावेपत (prāvepata) - trembled greatly, shook

• सुसंत्रस्तः (susaṁtrastaḥ) - exceedingly terrified, extremely frightened

• शापभीतः (śāpabhītaḥ) - fearing a curse, afraid of a curse

• तदा (tadā) - then, at that time

• विभो (vibho) - O mighty one, O lord, O powerful one

Words meanings and morphology

सः (saḥ) - he, that (masculine)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

तम् (tam) - him, that (masculine accusative)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

घोरेण (ghoreṇa) - terrible, fierce, severe, dreadful

(adjective)

Instrumental, neuter, singular of ghora

ghora - terrible, fierce, severe, dreadful

तपसा (tapasā) - by penance, by ascetic practice (tapas)

(noun)

Instrumental, neuter, singular of tapas

tapas - ascetic practice, penance, spiritual austerity (tapas)

युक्तम् (yuktam) - endowed with, engaged in, joined

(adjective)

Accusative, masculine, singular of yukta

yukta - joined, endowed with, engaged in

Past Passive Participle

From root √yuj (to join, connect)

Root: yuj (class 7)

दृष्ट्वा (dṛṣṭvā) - having seen, after seeing

(indeclinable)

Absolutive (Gerund)

Formed from root √dṛś (to see)

Root: dṛś (class 1)

पुरन्दरः (purandaraḥ) - Lord Indra (Indra (destroyer of cities))

(proper noun)

Nominative, masculine, singular of purandara

purandara - destroyer of cities (an epithet of Indra)

Compound type : tatpurusha (pura+dara)

• pura – city, fortress
  noun (neuter)
• dara – one who cleaves/destroys
  noun (masculine)
  Root: dṛ

प्रावेपत (prāvepata) - trembled greatly, shook

(verb)

3rd person , singular, active, Imperfect (laṅ) of vep

Prefix: pra

Root: vep (class 1)

सुसंत्रस्तः (susaṁtrastaḥ) - exceedingly terrified, extremely frightened

(adjective)

Nominative, masculine, singular of susaṃtrasta

susaṁtrasta - exceedingly terrified

Compound type : karmadharaya (su+saṃtrasta)

• su – good, well, intensely, exceedingly
  indeclinable
• saṃtrasta – greatly terrified
  adjective
  Past Passive Participle
  From root √tras (to tremble) with prefix sam-
  Prefix: sam
  Root: tras (class 4)

शापभीतः (śāpabhītaḥ) - fearing a curse, afraid of a curse

(adjective)

Nominative, masculine, singular of śāpabhīta

śāpabhīta - fearing a curse, afraid of a curse

Compound type : tatpurusha (śāpa+bhīta)

• śāpa – curse
  noun (masculine)
• bhīta – afraid, frightened
  adjective
  Past Passive Participle
  From root √bhī (to fear)
  Root: bhī (class 3)

तदा (tadā) - then, at that time

(indeclinable)

विभो (vibho) - O mighty one, O lord, O powerful one

(noun)

Vocative, masculine, singular of vibhu

vibhu - mighty, powerful, lord, omnipresent