महाभारतः mahābhārataḥ - book-5, chapter-122, verse-21

यस्तु निःश्रेयसं वाक्यं मोहान्न प्रतिपद्यते ।
स दीर्घसूत्रो हीनार्थः पश्चात्तापेन युज्यते ॥२१॥

21. yastu niḥśreyasaṁ vākyaṁ mohānna pratipadyate ,
sa dīrghasūtro hīnārthaḥ paścāttāpena yujyate.

21. yaḥ tu niḥśreyasam vākyam mohāt na pratipadyate
saḥ dīrghasūtraḥ hīnārthaḥ paścāttāpena yujyate

21. But he who, due to delusion, does not accept a statement conducive to supreme well-being, he is a procrastinator whose purpose is lost, and he becomes afflicted with regret.

Words meanings summery:

• यः (yaḥ) - he who (who, which, that)

• तु (tu) - but, indeed, on the other hand

• निःश्रेयसम् (niḥśreyasam) - a statement conducive to supreme well-being (supreme well-being, highest good, final liberation)

• वाक्यम् (vākyam) - word, statement, sentence, speech

• मोहात् (mohāt) - from delusion, due to ignorance, because of confusion

• न (na) - not, no

• प्रतिपद्यते (pratipadyate) - does not accept (understands, accepts, obtains, reaches)

• सः (saḥ) - he, that

• दीर्घसूत्रः (dīrghasūtraḥ) - procrastinator, slow in action, one who protracts

• हीनार्थः (hīnārthaḥ) - one whose purpose is ruined/lost, unsuccessful, deprived of object

• पश्चात्तापेन (paścāttāpena) - by regret, with repentance

• युज्यते (yujyate) - is joined, is connected, is afflicted with, is associated with

Words meanings and morphology

यः (yaḥ) - he who (who, which, that)

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what, whichever

तु (tu) - but, indeed, on the other hand

(indeclinable)

निःश्रेयसम् (niḥśreyasam) - a statement conducive to supreme well-being (supreme well-being, highest good, final liberation)

(noun)

Accusative, neuter, singular of niḥśreyasa

niḥśreyasa - supreme good, ultimate well-being, final liberation

Compound type : Prādi-samāsa (niḥ+śreyas)

• niḥ – out, away, without, completion, negation
  indeclinable
• śreyas – good, welfare, prosperity, ultimate good, excellence
  noun (neuter)

वाक्यम् (vākyam) - word, statement, sentence, speech

(noun)

Accusative, neuter, singular of vākya

vākya - word, statement, sentence, speech, assertion

मोहात् (mohāt) - from delusion, due to ignorance, because of confusion

(noun)

Ablative, masculine, singular of moha

moha - delusion, confusion, infatuation, ignorance

न (na) - not, no

(indeclinable)

प्रतिपद्यते (pratipadyate) - does not accept (understands, accepts, obtains, reaches)

(verb)

3rd person , singular, middle, present (laṭ) of pratipad

Prefix: prati

Root: pad (class 4)

सः (saḥ) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - he, she, it, that

दीर्घसूत्रः (dīrghasūtraḥ) - procrastinator, slow in action, one who protracts

(adjective)

Nominative, masculine, singular of dīrghasūtra

dīrghasūtra - long-threaded, dilatory, procrastinating

Compound type : Bahuvrīhi (dīrgha+sūtra)

• dīrgha – long, tall, extensive, prolonged
  adjective
• sūtra – thread, string, rule, aphorism, guideline
  noun (neuter)

हीनार्थः (hīnārthaḥ) - one whose purpose is ruined/lost, unsuccessful, deprived of object

(adjective)

Nominative, masculine, singular of hīnārtha

hīnārtha - one whose object/purpose is lost or deficient

Compound type : Bahuvrīhi (hīna+artha)

• hīna – deprived of, lost, inferior, deficient, abandoned
  adjective
  Past Passive Participle
  From root `hā` (to abandon, to leave) + `kta` suffix
  Root: hā (class 3)
• artha – purpose, object, meaning, wealth, goal, advantage
  noun (masculine)

पश्चात्तापेन (paścāttāpena) - by regret, with repentance

(noun)

Instrumental, masculine, singular of paścāttāpa

paścāttāpa - regret, repentance, remorse

युज्यते (yujyate) - is joined, is connected, is afflicted with, is associated with

(verb)

3rd person , singular, passive, present (laṭ) of yuj

Root: yuj (class 7)