महाभारतः mahābhārataḥ - book-13, chapter-40, verse-38

एवं रूपाणि सततं कुरुते पाकशासनः ।
तस्माद्विपुल यत्नेन रक्षेमां तनुमध्यमाम् ॥३८॥

38. evaṁ rūpāṇi satataṁ kurute pākaśāsanaḥ ,
tasmādvipula yatnena rakṣemāṁ tanumadhyamām.

38. evam rūpāṇi satatam kurute pākaśāsanaḥ tasmāt
vipula yatnena rakṣa imām tanumadhyamām

38. pākaśāsanaḥ evam rūpāṇi satatam kurute tasmāt
vipula imām tanumadhyamām yatnena rakṣa

38. Indra constantly assumes such forms. Therefore, O Vipula, you must protect this slender-waisted woman with great care.

Words meanings summery:

• एवम् (evam) - thus, in this manner, so

• रूपाणि (rūpāṇi) - these forms (referring to disguises) (forms, shapes, appearances)

• सततम् (satatam) - constantly, always, perpetually

• कुरुते (kurute) - does, makes, performs

• पाकशासनः (pākaśāsanaḥ) - Indra, the chastiser of Pāka

• तस्मात् (tasmāt) - therefore, from that

• विपुल (vipula) - O Vipula (a proper name)

• यत्नेन (yatnena) - with effort, diligently, carefully

• रक्ष (rakṣa) - protect! (imperative)

• इमाम् (imām) - this (feminine singular accusative)

• तनुमध्यमाम् (tanumadhyamām) - the slender-waisted woman (referring to a specific person being protected) (slender-waisted (feminine singular accusative))

Words meanings and morphology

एवम् (evam) - thus, in this manner, so

(indeclinable)

रूपाणि (rūpāṇi) - these forms (referring to disguises) (forms, shapes, appearances)

(noun)

Accusative, neuter, plural of rūpa

rūpa - form, shape, appearance, beauty

सततम् (satatam) - constantly, always, perpetually

(indeclinable)

कुरुते (kurute) - does, makes, performs

(verb)

3rd person , singular, middle, present (laṭ) of kṛ

root verb, 8th class

Root: kṛ (class 8)

Note: Ātmanepada

पाकशासनः (pākaśāsanaḥ) - Indra, the chastiser of Pāka

(proper noun)

Nominative, masculine, singular of pākaśāsana

pākaśāsana - Indra (epithet: chastiser of Pāka)

Compound type : tatpuruṣa (pāka+śāsana)

• pāka – Pāka (name of an Asura)
  proper noun (masculine)
• śāsana – chastising, ruling, governing
  noun (masculine)
  Root: śās (class 2)

तस्मात् (tasmāt) - therefore, from that

(indeclinable)

विपुल (vipula) - O Vipula (a proper name)

(proper noun)

Vocative, masculine, singular of vipula

vipula - Vipula (a proper name); vast, extensive, abundant

यत्नेन (yatnena) - with effort, diligently, carefully

(noun)

Instrumental, masculine, singular of yatna

yatna - effort, exertion, diligence, care

रक्ष (rakṣa) - protect! (imperative)

(verb)

2nd person , singular, active, imperative (loṭ) of rakṣ

root verb, 1st class

Root: rakṣ (class 1)

Note: Parasmaipada

इमाम् (imām) - this (feminine singular accusative)

(pronoun)

Accusative, feminine, singular of idam

idam - this, this one

तनुमध्यमाम् (tanumadhyamām) - the slender-waisted woman (referring to a specific person being protected) (slender-waisted (feminine singular accusative))

(noun)

Accusative, feminine, singular of tanumadhyamā

tanumadhyamā - slender-waisted woman

Compound type : bahuvrīhi (tanu+madhya)

• tanu – slender, thin, delicate
  adjective
• madhya – middle, center, waist
  noun (neuter)

Note: Adjective used as a noun, referring to the woman.