योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-20, verse-40

मानमोहान्मदोन्मत्तं यौवनं योऽभिलष्यति ।
अचिरेण स दुर्बुद्धिः पश्चात्तापेन युज्यते ॥ ४० ॥

mānamohānmadonmattaṃ yauvanaṃ yo'bhilaṣyati ,
acireṇa sa durbuddhiḥ paścāttāpena yujyate 40

40. yaḥ mānamohāt madonmattam yauvanam abhilaṣyati
saḥ durbuddhiḥ acireṇa paścāttāpena yujyate

40. yaḥ mānamohāt madonmattam yauvanam abhilaṣyati
saḥ durbuddhiḥ acireṇa paścāttāpena yujyate

40. The person who craves youth, which is often intoxicated by pride and delusion, that misguided individual soon becomes afflicted with regret.

Words meanings summery:

• यः (yaḥ) - who, whoever

• मानमोहात् (mānamohāt) - from pride and delusion

• मदोन्मत्तम् (madonmattam) - intoxicated by arrogance/passion

• यौवनम् (yauvanam) - youth, juvenility

• अभिलष्यति (abhilaṣyati) - desires, covets, longs for

• सः (saḥ) - he, that

• दुर्बुद्धिः (durbuddhiḥ) - foolish, misguided, one with bad intellect

• अचिरेण (acireṇa) - quickly, soon, in a short time

• पश्चात्तापेन (paścāttāpena) - by regret, by repentance

• युज्यते (yujyate) - is joined, is united, is afflicted

Words meanings and morphology

यः (yaḥ) - who, whoever

(pronoun)

Nominative, masculine, singular of yad

yad - which, what, who

मानमोहात् (mānamohāt) - from pride and delusion

(noun)

Ablative, masculine, singular of mānamoha

mānamoha - pride and delusion

Compound type : dvandva (māna+moha)

• māna – pride, honor, respect
  noun (masculine)
  Root: man (class 4)
• moha – delusion, infatuation, confusion
  noun (masculine)
  Root: muh (class 4)

मदोन्मत्तम् (madonmattam) - intoxicated by arrogance/passion

(adjective)

Accusative, neuter, singular of madonmatta

madonmatta - intoxicated, arrogant, crazed by passion

Compound type : tatpuruṣa (mada+unmatta)

• mada – arrogance, intoxication, passion
  noun (masculine)
  Root: mad (class 1)
• unmatta – intoxicated, mad, crazy
  adjective
  Past Passive Participle
  From root mad (to be intoxicated) with prefix ud
  Prefix: ud
  Root: mad (class 1)

Note: Modifies 'yauvanam'.

यौवनम् (yauvanam) - youth, juvenility

(noun)

Accusative, neuter, singular of yauvana

yauvana - youth, youthfulness

अभिलष्यति (abhilaṣyati) - desires, covets, longs for

(verb)

3rd person , singular, active, present (lat) of abhilaṣ

Prefix: abhi

Root: laṣ (class 1)

सः (saḥ) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

दुर्बुद्धिः (durbuddhiḥ) - foolish, misguided, one with bad intellect

(noun)

Nominative, masculine, singular of durbuddhi

durbuddhi - bad intellect, folly, foolish person

Compound type : bahuvrihi (dur+buddhi)

• dur – bad, evil, difficult
  indeclinable
• buddhi – intellect, understanding, perception
  noun (feminine)
  Root: budh (class 1)

अचिरेण (acireṇa) - quickly, soon, in a short time

(adjective)

Instrumental, neuter, singular of acira

acira - not long, brief, quick

Compound type : tatpuruṣa (a+cira)

• a – not, non-
  indeclinable
• cira – long (time), lasting
  adjective

Note: Used adverbially.

पश्चात्तापेन (paścāttāpena) - by regret, by repentance

(noun)

Instrumental, masculine, singular of paścāttāpa

paścāttāpa - regret, repentance, remorse

Compound type : tatpuruṣa (paścāt+tāpa)

• paścāt – after, afterwards, behind
  indeclinable
• tāpa – heat, suffering, pain, regret
  noun (masculine)
  Root: tap (class 1)

युज्यते (yujyate) - is joined, is united, is afflicted

(verb)

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

Root: yuj (class 7)