महाभारतः mahābhārataḥ - book-5, chapter-50, verse-21

इति बाल्ये श्रुतः पूर्वं मया व्यासमुखात्पुरा ।
रूपतो वीर्यतश्चैव याथातथ्येन पाण्डवः ॥२१॥

21. iti bālye śrutaḥ pūrvaṁ mayā vyāsamukhātpurā ,
rūpato vīryataścaiva yāthātathyena pāṇḍavaḥ.

21. iti bālye śrutaḥ pūrvaṃ mayā vyāsamukhāt purā
rūpataḥ vīryataḥ ca eva yāthātathyena pāṇḍavaḥ

21. Thus, long ago, when I was a child, I heard from Vyasa's mouth an accurate description (yāthātathyena) of the Pāṇḍava (Bhīma), both in terms of his appearance and his prowess.

Words meanings summery:

• इति (iti) - thus, in this manner, so

• बाल्ये (bālye) - in childhood, in youth

• श्रुतः (śrutaḥ) - heard, listened, revealed

• पूर्वं (pūrvaṁ) - previously, formerly, before

• मया (mayā) - by me

• व्यासमुखात् (vyāsamukhāt) - from the mouth of Vyasa, from Vyasa

• पुरा (purā) - formerly, long ago, in ancient times

• रूपतः (rūpataḥ) - by form, in appearance, regarding form

• वीर्यतः (vīryataḥ) - by prowess, in strength, regarding valor

• च (ca) - and, also

• एव (eva) - Emphasizes the preceding 'ca' (and also indeed). (indeed, just, only, certainly)

• याथातथ्येन (yāthātathyena) - truly, accurately, in reality, as it truly is

• पाण्डवः (pāṇḍavaḥ) - Refers to Bhīma, as established by the subsequent verses. (a descendant of Pandu, son of Pandu)

Words meanings and morphology

इति (iti) - thus, in this manner, so

(indeclinable)

बाल्ये (bālye) - in childhood, in youth

(noun)

Locative, neuter, singular of bālya

bālya - childhood, infancy, youth

derived from bāla (child)

श्रुतः (śrutaḥ) - heard, listened, revealed

(adjective)

Nominative, masculine, singular of śruta

śruta - heard, listened, known by hearing, revealed

Past Passive Participle

root śru (to hear) + kta (past participle suffix)

Root: śru (class 5)

Note: Qualifies the subject of hearing, implying 'what was heard' or 'he (Pandava) who was heard about'.

पूर्वं (pūrvaṁ) - previously, formerly, before

(indeclinable)

Note: Used adverbially as 'formerly'.

मया (mayā) - by me

(pronoun)

Instrumental, singular of asmad

asmad - I, we

व्यासमुखात् (vyāsamukhāt) - from the mouth of Vyasa, from Vyasa

(noun)

Ablative, neuter, singular of vyāsamukha

vyāsamukha - Vyasa's mouth

Compound type : tatpurusha (vyāsa+mukha)

• vyāsa – Vyasa (name of a sage)
  proper noun (masculine)
• mukha – mouth, face, principal part
  noun (neuter)

पुरा (purā) - formerly, long ago, in ancient times

(indeclinable)

रूपतः (rūpataḥ) - by form, in appearance, regarding form

(indeclinable)

ablative suffix -tas added to noun

Note: Used adverbially to indicate 'regarding form'.

वीर्यतः (vīryataḥ) - by prowess, in strength, regarding valor

(indeclinable)

ablative suffix -tas added to noun

Note: Used adverbially to indicate 'regarding prowess'.

च (ca) - and, also

(indeclinable)

एव (eva) - Emphasizes the preceding 'ca' (and also indeed). (indeed, just, only, certainly)

(indeclinable)

Note: An emphasizing particle.

याथातथ्येन (yāthātathyena) - truly, accurately, in reality, as it truly is

(noun)

Instrumental, neuter, singular of yāthātathya

yāthātathya - truth, reality, exactness, accordance with reality

derived from yathātatha (as it is, true)

Note: Used adverbially meaning 'accurately' or 'in truth'.

पाण्डवः (pāṇḍavaḥ) - Refers to Bhīma, as established by the subsequent verses. (a descendant of Pandu, son of Pandu)

(proper noun)

Nominative, masculine, singular of pāṇḍava

pāṇḍava - descendant of Pandu, relating to Pandu

derived from Paṇḍu (name of a king)