महाभारतः mahābhārataḥ - book-14, chapter-11, verse-18

तस्य वृत्रगृहीतस्य मोहः समभवन्महान् ।
रथंतरेण तं तात वसिष्ठः प्रत्यबोधयत् ॥१८॥

18. tasya vṛtragṛhītasya mohaḥ samabhavanmahān ,
rathaṁtareṇa taṁ tāta vasiṣṭhaḥ pratyabodhayat.

18. tasya vṛtragṛhītasya mohaḥ samabhavat mahān
rathaṃtareṇa tam tāta vasiṣṭhaḥ pratyabodhayaṭ

18. tāta vṛtragṛhītasya tasya mahān mohaḥ samabhavat
vasiṣṭhaḥ rathaṃtareṇa tam pratyabodhayaṭ

18. A great delusion overtook him (Indra) who had been seized by Vṛtra. Then, O dear one, Vasiṣṭha awakened him by means of the Rathantara chant.

Words meanings summery:

• तस्य (tasya) - of him (Indra) (of him, of that)

• वृत्रगृहीतस्य (vṛtragṛhītasya) - of him who was seized by Vṛtra

• मोहः (mohaḥ) - delusion, unconsciousness, confusion

• समभवत् (samabhavat) - it arose, it occurred, it came to be

• महान् (mahān) - great, large, extensive

• रथंतरेण (rathaṁtareṇa) - by the Rathantara (sāman/chant)

• तम् (tam) - him (Indra) (him, that)

• तात (tāta) - O dear one, O father

• वसिष्ठः (vasiṣṭhaḥ) - Vasiṣṭha (name of a sage)

• प्रत्यबोधयट् (pratyabodhayaṭ) - he awakened, he enlightened

Words meanings and morphology

तस्य (tasya) - of him (Indra) (of him, of that)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

वृत्रगृहीतस्य (vṛtragṛhītasya) - of him who was seized by Vṛtra

(adjective)

Genitive, masculine, singular of vṛtragṛhīta

vṛtragṛhīta - seized by Vṛtra

Compound type : tatpuruṣa (vṛtra+gṛhīta)

• vṛtra – Vṛtra (name of a demon)
  proper noun (masculine)
• gṛhīta – seized, grasped, taken
  adjective (masculine/feminine/neuter)
  Past Passive Participle
  Derived from root grah (to seize) with kta suffix.
  Root: grah (class 9)

मोहः (mohaḥ) - delusion, unconsciousness, confusion

(noun)

Nominative, masculine, singular of moha

moha - delusion, unconsciousness, confusion, bewilderment

समभवत् (samabhavat) - it arose, it occurred, it came to be

(verb)

3rd person , singular, active, past imperfect (laṅ) of sambhū

Imperfect Tense

Derived from root bhū (to be) with prefix sam-, imperfect tense, 3rd person singular.

Prefix: sam

Root: bhū (class 1)

महान् (mahān) - great, large, extensive

(adjective)

Nominative, masculine, singular of mahat

mahat - great, large, extensive, mighty

रथंतरेण (rathaṁtareṇa) - by the Rathantara (sāman/chant)

(noun)

Instrumental, neuter, singular of rathaṃtara

rathaṁtara - Rathantara (name of a famous Vedic chant/sāman)

तम् (tam) - him (Indra) (him, that)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

तात (tāta) - O dear one, O father

(noun)

Vocative, masculine, singular of tāta

tāta - dear one, father, son

वसिष्ठः (vasiṣṭhaḥ) - Vasiṣṭha (name of a sage)

(proper noun)

Nominative, masculine, singular of vasiṣṭha

vasiṣṭha - Vasiṣṭha (name of a prominent Vedic sage)

प्रत्यबोधयट् (pratyabodhayaṭ) - he awakened, he enlightened

(verb)

3rd person , singular, active, past imperfect (laṅ) of pratibudh

Causative Imperfect Tense

Derived from root budh (to awaken/know) with prefix prati-, causative stem (by adding -aya) in imperfect tense, 3rd person singular.

Prefix: prati

Root: budh (class 1)