महाभारतः mahābhārataḥ - book-5, chapter-139, verse-47

दुःशासनस्य रुधिरं यदा पास्यति पाण्डवः ।
आनर्दं नर्दतः सम्यक्तदा सुत्यं भविष्यति ॥४७॥

47. duḥśāsanasya rudhiraṁ yadā pāsyati pāṇḍavaḥ ,
ānardaṁ nardataḥ samyaktadā sutyaṁ bhaviṣyati.

47. duḥśāsanasyā rudhiram yadā pāsyati pāṇḍavaḥ
ānardam nardataḥ samyak tadā sutyam bhaviṣyati

47. yadā pāṇḍavaḥ duḥśāsanasyā rudhiram ānardam
samyak nardataḥ pāsyati tadā sutyam bhaviṣyati

47. When the Pāṇḍava (Bhīma) drinks the blood of Duḥśāsana, roaring loudly and completely, then the fulfillment of the vow (sutyam) will occur.

Words meanings summery:

• दुःशासनस्या (duḥśāsanasyā) - of Duḥśāsana

• रुधिरम् (rudhiram) - blood

• यदा (yadā) - when

• पास्यति (pāsyati) - will drink

• पाण्डवः (pāṇḍavaḥ) - Bhīma (the son of Pāṇḍu, a Pāṇḍava prince)

• आनर्दम् (ānardam) - roaring, with a great roar

• नर्दतः (nardataḥ) - roaring (while)

• सम्यक् (samyak) - completely, properly, truly, perfectly

• तदा (tadā) - then, at that time

• सुत्यम् (sutyam) - the fulfillment of Bhīma's vow (soma pressing, sacrificial libation, fulfillment of a vow)

• भविष्यति (bhaviṣyati) - will be, will happen

Words meanings and morphology

दुःशासनस्या (duḥśāsanasyā) - of Duḥśāsana

(proper noun)

Genitive, masculine, singular of duḥśāsana

duḥśāsana - Duḥśāsana (name of a Kuru prince, son of Dhṛtarāṣṭra)

रुधिरम् (rudhiram) - blood

(noun)

Accusative, neuter, singular of rudhira

rudhira - blood

यदा (yadā) - when

(indeclinable)

पास्यति (pāsyati) - will drink

(verb)

3rd person , singular, active, future (lṛṭ) of pā

Future tense, from root pā (1P)

Root: pā (class 1)

पाण्डवः (pāṇḍavaḥ) - Bhīma (the son of Pāṇḍu, a Pāṇḍava prince)

(noun)

Nominative, masculine, singular of pāṇḍava

pāṇḍava - son of Pāṇḍu, a Pāṇḍava

Patronymic from Pāṇḍu

आनर्दम् (ānardam) - roaring, with a great roar

(indeclinable)

Adverbial use of noun ānarda (roar)

Prefix: ā

Root: nad (class 1)

नर्दतः (nardataḥ) - roaring (while)

(adjective)

masculine, singular of nardat

nardat - roaring, shouting

Present Active Participle

from root nard (1P), present participle in masculine nominative singular or genitive singular or ablative singular. Here, adjectival to pāṇḍavaḥ, agreeing with it implicitly, or adverbial. Genitive singular form used adverbially (e.g. while roaring).

Root: nard (class 1)

Note: Can be understood as an adverbial genitive 'of one roaring' or adjective modifying Pāṇḍava. 'roaring (one)'

सम्यक् (samyak) - completely, properly, truly, perfectly

(indeclinable)

Note: This is an adverb modifying 'nardataḥ'.

तदा (tadā) - then, at that time

(indeclinable)

सुत्यम् (sutyam) - the fulfillment of Bhīma's vow (soma pressing, sacrificial libation, fulfillment of a vow)

(noun)

neuter, singular of sutya

sutya - soma pressing, sacrificial libation, that which is to be pressed

Gerundive

from root su (to press soma)

Root: su (class 2)

Note: Here refers metaphorically to the 'real' or 'final' sacrifice/fulfillment.

भविष्यति (bhaviṣyati) - will be, will happen

(verb)

3rd person , singular, active, future (lṛṭ) of bhū

Future tense, from root bhū (1P)

Root: bhū (class 1)