महाभारतः mahābhārataḥ - book-15, chapter-23, verse-20

श्वश्रूश्वशुरयोः कृत्वा शुश्रूषां वनवासिनोः ।
तपसा शोषयिष्यामि युधिष्ठिर कलेवरम् ॥२०॥

20. śvaśrūśvaśurayoḥ kṛtvā śuśrūṣāṁ vanavāsinoḥ ,
tapasā śoṣayiṣyāmi yudhiṣṭhira kalevaram.

20. śvaśrūśvaśurayoḥ kṛtvā śuśrūṣām vanavāsinoḥ
tapasā śoṣayiṣyāmi yudhiṣṭhira kalevaram

20. yudhiṣṭhira,
vanavāsinoḥ śvaśrūśvaśurayoḥ śuśrūṣām kṛtvā,
tapasā kalevaram śoṣayiṣyāmi.

20. O Yudhishthira, having performed service to my mother-in-law and father-in-law, who are dwelling in the forest, I will emaciate my body through spiritual austerity (tapas).

Words meanings summery:

• श्वश्रूश्वशुरयोः (śvaśrūśvaśurayoḥ) - of my mother-in-law and father-in-law (Dhṛtarāṣṭra and Gāndhārī) (of mother-in-law and father-in-law)

• कृत्वा (kṛtvā) - having performed (having done, having performed)

• शुश्रूषाम् (śuśrūṣām) - service (service, attendance, desire to hear/serve)

• वनवासिनोः (vanavāsinoḥ) - of those dwelling in the forest (referring to Dhṛtarāṣṭra and Gāndhārī) (of those dwelling in the forest, of forest dwellers)

• तपसा (tapasā) - by means of spiritual austerity (tapas) (by austerity, by penance, by spiritual discipline)

• शोषयिष्यामि (śoṣayiṣyāmi) - I will emaciate (I will dry up, I will cause to wither, I will emaciate)

• युधिष्ठिर (yudhiṣṭhira) - O Yudhishthira (addressing him) (Yudhishthira (proper name))

• कलेवरम् (kalevaram) - my body (body, corporeal frame)

Words meanings and morphology

श्वश्रूश्वशुरयोः (śvaśrūśvaśurayoḥ) - of my mother-in-law and father-in-law (Dhṛtarāṣṭra and Gāndhārī) (of mother-in-law and father-in-law)

(noun)

Genitive, masculine, dual of śvaśrūśvaśura

śvaśrūśvaśura - mother-in-law and father-in-law

Compound type : dvandva (śvaśrū+śvaśura)

• śvaśrū – mother-in-law
  noun (feminine)
• śvaśura – father-in-law
  noun (masculine)

Note: Refers to Dhṛtarāṣṭra and Gāndhārī.

कृत्वा (kṛtvā) - having performed (having done, having performed)

(indeclinable)

Absolutive (Gerund)

Absolutive (indeclinable past participle) from root kṛ.

Root: kṛ (class 8)

शुश्रूषाम् (śuśrūṣām) - service (service, attendance, desire to hear/serve)

(noun)

Accusative, feminine, singular of śuśrūṣā

śuśrūṣā - service, attendance, desire to hear/obey

desiderative action noun

Derived from desiderative of root śru (to hear) + ā (feminine suffix).

Root: śru (class 5)

वनवासिनोः (vanavāsinoḥ) - of those dwelling in the forest (referring to Dhṛtarāṣṭra and Gāndhārī) (of those dwelling in the forest, of forest dwellers)

(noun)

Genitive, masculine, dual of vanavāsin

vanavāsin - forest-dweller, hermit

Derived from vana (forest) and vāsin (dweller, from root vas 'to dwell').

Compound type : tatpuruṣa (vana+vāsin)

• vana – forest, wood
  noun (neuter)
• vāsin – dweller, inhabitant
  noun (masculine)
  Agent noun from root vas (to dwell).
  Root: vas (class 1)

Note: Modifies 'śvaśrūśvaśurayoḥ'.

तपसा (tapasā) - by means of spiritual austerity (tapas) (by austerity, by penance, by spiritual discipline)

(noun)

Instrumental, neuter, singular of tapas

tapas - spiritual austerity, penance, heat, religious fervor

Root: tap (class 1)

शोषयिष्यामि (śoṣayiṣyāmi) - I will emaciate (I will dry up, I will cause to wither, I will emaciate)

(verb)

1st person , singular, active, future (lṛṭ) of śuṣ

Causative future

Causative future 1st person singular of root śuṣ (class 4).

Root: śuṣ (class 4)

युधिष्ठिर (yudhiṣṭhira) - O Yudhishthira (addressing him) (Yudhishthira (proper name))

(proper noun)

Vocative, masculine, singular of yudhiṣṭhira

yudhiṣṭhira - steady in battle, Yudhishthira (eldest Pāṇḍava)

Compound: yudhi (in battle, locative of yudh 'battle') + sthira (firm, steady).

Compound type : aluk tatpuruṣa (yudh+sthira)

• yudh – battle, fight
  noun (feminine)
  Root: yudh (class 4)
• sthira – firm, steady, stable
  adjective (masculine)
  Root: sthā (class 1)

कलेवरम् (kalevaram) - my body (body, corporeal frame)

(noun)

Accusative, neuter, singular of kalevara

kalevara - body, corpse, frame