महाभारतः mahābhārataḥ - book-3, chapter-154, verse-17

अथ चेत्त्वमविज्ञाय इदं कर्म करिष्यसि ।
अधर्मं चाप्यकीर्तिं च लोके प्राप्स्यसि केवलम् ॥१७॥

17. atha cettvamavijñāya idaṁ karma kariṣyasi ,
adharmaṁ cāpyakīrtiṁ ca loke prāpsyasi kevalam.

17. atha cet tvam avijñāya idam karma kariṣyasi
adharmam ca api akīrtim ca loke prāpsyasi kevalam

17. But if you perform this action without understanding its implications, you will surely incur only unrighteousness (adharma) and disgrace in the world.

Words meanings summery:

• अथ (atha) - then, now, but if

• चेत् (cet) - if, supposing that

• त्वम् (tvam) - you

• अविज्ञाय (avijñāya) - without knowing, not having understood, without discernment

• इदम् (idam) - this

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

• करिष्यसि (kariṣyasi) - you will do, you will perform

• अधर्मम् (adharmam) - unrighteousness, injustice, impiety (adharma)

• च (ca) - and, also

• अपि (api) - also, even, too

• अकीर्तिम् (akīrtim) - disgrace, dishonor, infamy

• च (ca) - and, also

• लोके (loke) - in the world, among people, in this realm

• प्राप्स्यसि (prāpsyasi) - you will obtain, you will attain, you will reach

• केवलम् (kevalam) - only, merely, solely

Words meanings and morphology

अथ (atha) - then, now, but if

(indeclinable)

चेत् (cet) - if, supposing that

(indeclinable)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yusmad

yusmad - you

अविज्ञाय (avijñāya) - without knowing, not having understood, without discernment

(indeclinable)

Absolutive (Gerund)

Derived from the root 'jñā' (to know) with prefixes 'vi' and negative 'a'.

Prefixes: a+vi

Root: jñā (class 9)

इदम् (idam) - this

(pronoun)

Accusative, neuter, singular of idam

idam - this, this one

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

(noun)

Accusative, neuter, singular of karman

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

Noun of action

Derived from the root 'kṛ' (to do, make).

Root: kṛ (class 8)

करिष्यसि (kariṣyasi) - you will do, you will perform

(verb)

2nd person , singular, active, future indicative (lṛṭ) of kṛ

Root: kṛ (class 8)

अधर्मम् (adharmam) - unrighteousness, injustice, impiety (adharma)

(noun)

Accusative, masculine, singular of adharma

adharma - unrighteousness, injustice, impiety, that which is contrary to (dharma)

Compound of negative prefix 'a' and 'dharma' (righteousness).

Compound type : nañ-tatpuruṣa (a+dharma)

• a – not, non-, un-
  indeclinable
• dharma – righteousness, duty, law, virtue, constitution, natural law
  noun (masculine)
  Root: dhṛ (class 1)

च (ca) - and, also

(indeclinable)

अपि (api) - also, even, too

(indeclinable)

अकीर्तिम् (akīrtim) - disgrace, dishonor, infamy

(noun)

Accusative, feminine, singular of akīrti

akīrti - disgrace, dishonor, infamy

Compound of negative prefix 'a' and 'kīrti' (fame, glory).

Compound type : nañ-tatpuruṣa (a+kīrti)

• a – not, non-, un-
  indeclinable
• kīrti – fame, glory, renown, reputation
  noun (feminine)
  Root: kṛt (class 6)

च (ca) - and, also

(indeclinable)

लोके (loke) - in the world, among people, in this realm

(noun)

Locative, masculine, singular of loka

loka - world, realm, people, mankind

Root: lok (class 1)

प्राप्स्यसि (prāpsyasi) - you will obtain, you will attain, you will reach

(verb)

2nd person , singular, active, future indicative (lṛṭ) of prāp

Derived from the root 'āp' (to obtain, reach) with prefix 'pra'.

Prefix: pra

Root: āp (class 5)

केवलम् (kevalam) - only, merely, solely

(adjective)

Accusative, neuter, singular of kevala

kevala - only, sole, mere, entire

Note: Functions adverbially here.