महाभारतः mahābhārataḥ - book-13, chapter-133, verse-51

ये तु मूढा दुराचारा वियोनौ मैथुने रताः ।
पुरुषेषु सुदुष्प्रज्ञाः क्लीबत्वमुपयान्ति ते ॥५१॥

51. ye tu mūḍhā durācārā viyonau maithune ratāḥ ,
puruṣeṣu suduṣprajñāḥ klībatvamupayānti te.

51. ye tu mūḍhāḥ durācārāḥ viyonau maithune ratāḥ
puruṣeṣu suduṣprajñāḥ klībatvam upayānti te

51. ye tu mūḍhāḥ durācārāḥ viyonau maithune ratāḥ
puruṣeṣu suduṣprajñāḥ te klībatvam upayānti

51. Those who are deluded, of wicked conduct, engrossed in sexual relations with improper partners, and are exceedingly foolish among people, they become impotent.

Words meanings summery:

• ये (ye) - those men who (those who, which)

• तु (tu) - however (but, however, indeed)

• मूढाः (mūḍhāḥ) - foolish (deluded, foolish, bewildered)

• दुराचाराः (durācārāḥ) - of wicked conduct (of wicked conduct, ill-behaved)

• वियोनौ (viyonau) - in improper sexual relations (in an improper womb, in an improper species, in an improper place/context for procreation)

• मैथुने (maithune) - in sexual relations (in sexual intercourse, relating to copulation)

• रताः (ratāḥ) - engrossed (engaged, devoted, engrossed, delighted)

• पुरुषेषु (puruṣeṣu) - among people (among men, in men, regarding men)

• सुदुष्प्रज्ञाः (suduṣprajñāḥ) - exceedingly foolish (extremely ignorant, very foolish, having very bad understanding)

• क्लीबत्वम् (klībatvam) - impotence (impotence, eunuch-hood, effeminacy)

• उपयान्ति (upayānti) - they attain (they approach, they attain, they undergo)

• ते (te) - they

Words meanings and morphology

ये (ye) - those men who (those who, which)

(pronoun)

Nominative, masculine, plural of yad

yad - which, who, what

तु (tu) - however (but, however, indeed)

(indeclinable)

मूढाः (mūḍhāḥ) - foolish (deluded, foolish, bewildered)

(adjective)

Nominative, masculine, plural of mūḍha

mūḍha - foolish, deluded, stupid, bewildered

Past Passive Participle

From root √muh (to be bewildered, confused)

Root: muh (class 4)

दुराचाराः (durācārāḥ) - of wicked conduct (of wicked conduct, ill-behaved)

(adjective)

Nominative, masculine, plural of durācāra

durācāra - of wicked conduct, ill-behaved, mischievous

Compound type : bahuvrihi (dus+ācāra)

• dus – bad, evil, difficult
  indeclinable
  prefix
• ācāra – conduct, custom, behavior
  noun (masculine)
  From √car with ā
  Prefix: ā
  Root: car (class 1)

वियोनौ (viyonau) - in improper sexual relations (in an improper womb, in an improper species, in an improper place/context for procreation)

(noun)

Locative, feminine, singular of viyoni

viyoni - improper birth, improper womb, inappropriate place for procreation, different species

Compound of vi (negative/improper) + yoni (womb, origin, species)

Compound type : tatpurusha (vi+yoni)

• vi – apart, distinct, against, improper
  indeclinable
  prefix
• yoni – womb, source, origin, species, vulva
  noun (feminine)

Note: Refers to sexual relations that are considered unnatural or prohibited.

मैथुने (maithune) - in sexual relations (in sexual intercourse, relating to copulation)

(noun)

Locative, neuter, singular of maithuna

maithuna - sexual intercourse, copulation, pair, union

From mithuna (a pair, coupled)

रताः (ratāḥ) - engrossed (engaged, devoted, engrossed, delighted)

(adjective)

Nominative, masculine, plural of rata

rata - engaged in, devoted to, engrossed in, delighted by

Past Passive Participle

From root √ram (to delight, enjoy)

Root: ram (class 1)

पुरुषेषु (puruṣeṣu) - among people (among men, in men, regarding men)

(noun)

Locative, masculine, plural of puruṣa

puruṣa - man, male, person, spirit, human being, cosmic person (puruṣa)

सुदुष्प्रज्ञाः (suduṣprajñāḥ) - exceedingly foolish (extremely ignorant, very foolish, having very bad understanding)

(adjective)

Nominative, masculine, plural of suduṣprajña

suduṣprajña - very ignorant, extremely foolish, having very bad understanding

Compound of intensifier 'su' (very) + 'dus' (bad, difficult) + 'prajñā' (wisdom). The 'su' here acts as an intensifier for the 'dus' part, meaning 'very badly' or 'extremely ill-'.

Compound type : bahuvrihi (su+dus+prajñā)

• su – good, well, very
  indeclinable
  prefix
• dus – bad, evil, difficult
  indeclinable
  prefix
• prajñā – wisdom, intelligence, understanding
  noun (feminine)
  From pra + √jñā
  Prefix: pra
  Root: jñā (class 9)

क्लीबत्वम् (klībatvam) - impotence (impotence, eunuch-hood, effeminacy)

(noun)

Accusative, neuter, singular of klībatva

klībatva - impotence, eunuch-hood, effeminacy

From klība (eunuch, impotent) + -tva (suffix for 'state of being')

उपयान्ति (upayānti) - they attain (they approach, they attain, they undergo)

(verb)

3rd person , plural, active, present (laṭ) of upa√yā

From prefix upa + root √yā (to go)

Prefix: upa

Root: yā (class 2)

ते (te) - they

(pronoun)

Nominative, masculine, plural of tad

tad - that, he, she, it, they

Note: Refers back to 'ye' at the beginning of the verse.