महाभारतः mahābhārataḥ - book-8, chapter-49, verse-23

त्वया चैव व्रतं पार्थ बालेनैव कृतं पुरा ।
तस्मादधर्मसंयुक्तं मौढ्यात्कर्म व्यवस्यसि ॥२३॥

23. tvayā caiva vrataṁ pārtha bālenaiva kṛtaṁ purā ,
tasmādadharmasaṁyuktaṁ mauḍhyātkarma vyavasyasi.

23. tvayā ca eva vratam pārtha bālena eva kṛtam purā
tasmāt adharmasaṃyuktam mauḍhyāt karma vyavasyasi

23. pārtha tvayā bālena eva purā vratam kṛtam ca eva
tasmāt mauḍhyāt adharmasaṃyuktam karma vyavasyasi

23. O Pārtha, you made a vow in your childhood. Therefore, it is out of foolishness that you are now undertaking an action connected with unrighteousness (adharma).

Words meanings summery:

• त्वया (tvayā) - by you

• च (ca) - and, also

• एव (eva) - indeed, only, certainly

• व्रतम् (vratam) - vow, sacred observance, duty

• पार्थ (pārtha) - O son of Pṛthā, Arjuna

• बालेन (bālena) - in your childhood (by a child, in childhood)

• एव (eva) - indeed, only, certainly

• कृतम् (kṛtam) - done, made

• पुरा (purā) - formerly, previously, in ancient times

• तस्मात् (tasmāt) - therefore, from that

• अधर्मसंयुक्तम् (adharmasaṁyuktam) - associated with unrighteousness, unjust

• मौढ्यात् (mauḍhyāt) - from foolishness, due to ignorance

• कर्म (karma) - action, deed, work (karma)

• व्यवस्यसि (vyavasyasi) - you are undertaking (you undertake, you resolve, you decide)

Words meanings and morphology

त्वया (tvayā) - by you

(pronoun)

Instrumental, singular of yuṣmad

yuṣmad - you

च (ca) - and, also

(indeclinable)

Note: Used as a conjunctive.

एव (eva) - indeed, only, certainly

(indeclinable)

Note: Emphatic particle.

व्रतम् (vratam) - vow, sacred observance, duty

(noun)

Nominative, neuter, singular of vrata

vrata - vow, sacred observance, religious duty, rule

Note: Subject of the implied "was made".

पार्थ (pārtha) - O son of Pṛthā, Arjuna

(proper noun)

Vocative, masculine, singular of pārtha

pārtha - son of Pṛthā (Kuntī), a name for Arjuna

Derived from Pṛthā

बालेन (bālena) - in your childhood (by a child, in childhood)

(noun)

Instrumental, masculine, singular of bāla

bāla - child, young, foolish

Note: Can imply "by a child" or "in the state of a child".

एव (eva) - indeed, only, certainly

(indeclinable)

Note: Emphatic particle, emphasizing "bālena".

कृतम् (kṛtam) - done, made

(adjective)

Nominative, neuter, singular of kṛta

kṛta - done, made, performed

Past Passive Participle

root kṛ (to do, make) + kta suffix

Root: kṛ (class 8)

Note: Agrees with "vratam".

पुरा (purā) - formerly, previously, in ancient times

(indeclinable)

Note: Adverb of time.

तस्मात् (tasmāt) - therefore, from that

(pronoun)

Ablative, neuter, singular of tad

tad - that, he, she, it

Note: Used adverbially as "therefore".

अधर्मसंयुक्तम् (adharmasaṁyuktam) - associated with unrighteousness, unjust

(adjective)

Accusative, neuter, singular of adharmasaṃyukta

adharmasaṁyukta - connected with unrighteousness, impious, unjust

Compound type : tatpuruṣa (adharma+saṃyukta)

• adharma – unrighteousness, injustice, wrong conduct
  noun (masculine)
  nañ-tatpuruṣa of dharma
  Root: dhṛ (class 1)
• saṃyukta – joined, connected, endowed with
  adjective (neuter)
  Past Passive Participle
  upasarga sam + root yuj (to join) + kta suffix
  Prefix: sam
  Root: yuj (class 7)

Note: Agrees with "karma".

मौढ्यात् (mauḍhyāt) - from foolishness, due to ignorance

(noun)

Ablative, neuter, singular of mauḍhya

mauḍhya - foolishness, ignorance, stupidity

from mūḍha (foolish)

Note: Indicates cause.

कर्म (karma) - action, deed, work (karma)

(noun)

Accusative, neuter, singular of karman

karman - action, deed, work, ritual action, fate (karma)

from root kṛ (to do, make)

Root: kṛ (class 8)

Note: Object of "vyavasyasi".

व्यवस्यसि (vyavasyasi) - you are undertaking (you undertake, you resolve, you decide)

(verb)

2nd person , singular, active, present (laṭ) of vyavasya

Prefixes: vi+ava

Root: so (class 4)

Note: Derived from root so (to finish, destroy) with prefixes vi and ava.