योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-175, verse-78

आयुषः क्षण एकोऽपि सर्वरत्नैर्न लभ्यते ।
नीयते तद्वृथा येन प्रमादः सुमहानहो ॥ ७८ ॥

āyuṣaḥ kṣaṇa eko'pi sarvaratnairna labhyate ,
nīyate tadvṛthā yena pramādaḥ sumahānaho 78

78. āyuṣaḥ kṣaṇaḥ ekaḥ api sarva-ratnaiḥ na labhyate
nīyate tat vṛthā yena pramādaḥ sumahān aho

78. āyuṣaḥ ekaḥ kṣaṇaḥ api sarva-ratnaiḥ na labhyate
yena tat vṛthā nīyate pramādaḥ sumahān aho

78. Not even a single moment of life can be acquired with all the world's jewels. Alas, how great is the heedlessness (pramāda) of one by whom such a life is spent in vain!

Words meanings summery:

• आयुषः (āyuṣaḥ) - of one's lifespan (of life, of age, of lifespan)

• क्षणः (kṣaṇaḥ) - a moment in time (moment, instant, leisure)

• एकः (ekaḥ) - a single (moment) (one, a single)

• अपि (api) - even (a single moment) (also, even, too)

• सर्व-रत्नैः (sarva-ratnaiḥ) - not even by the sum of all worldly treasures (by all jewels, by all treasures)

• न (na) - not (not, no)

• लभ्यते (labhyate) - can be obtained or regained (is obtained, is gained, is acquired)

• नीयते (nīyate) - is spent (referring to time/life) (is led, is carried, is spent, is passed)

• तत् (tat) - that (moment of life) (that, it)

• वृथा (vṛthā) - wasted, without purpose (in vain, uselessly, idly)

• येन (yena) - by whom (referring to a person, implied agent of nīyate) (by whom, by which)

• प्रमादः (pramādaḥ) - heedlessness (pramāda) (heedlessness, negligence, error)

• सुमहान् (sumahān) - exceedingly great (very great, very large, mighty)

• अहो (aho) - alas! (expresses wonder or sorrow) (oh!, alas!, indeed!)

Words meanings and morphology

आयुषः (āyuṣaḥ) - of one's lifespan (of life, of age, of lifespan)

(noun)

Genitive, neuter, singular of āyus

āyus - life, lifespan, duration of life, age

क्षणः (kṣaṇaḥ) - a moment in time (moment, instant, leisure)

(noun)

Nominative, masculine, singular of kṣaṇa

kṣaṇa - moment, instant, a very short period of time, leisure

एकः (ekaḥ) - a single (moment) (one, a single)

(adjective)

Nominative, masculine, singular of eka

eka - one, a single, unique, alone

अपि (api) - even (a single moment) (also, even, too)

(indeclinable)

सर्व-रत्नैः (sarva-ratnaiḥ) - not even by the sum of all worldly treasures (by all jewels, by all treasures)

(noun)

Instrumental, neuter, plural of sarva-ratna

sarva-ratna - all jewels, all treasures

Compound

Compound type : karmadhāraya (sarva+ratna)

• sarva – all, every, whole
  adjective (neuter)
• ratna – jewel, gem, treasure, precious thing
  noun (neuter)

न (na) - not (not, no)

(indeclinable)

लभ्यते (labhyate) - can be obtained or regained (is obtained, is gained, is acquired)

(verb)

3rd person , singular, passive, present indicative (laṭ) of labh

present indicative

ātmanepada, root class 1, passive voice

Root: labh (class 1)

नीयते (nīyate) - is spent (referring to time/life) (is led, is carried, is spent, is passed)

(verb)

3rd person , singular, passive, present indicative (laṭ) of nī

present indicative

ātmanepada, root class 1, passive voice

Root: nī (class 1)

तत् (tat) - that (moment of life) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, he, she, it

Note: Referring to kṣaṇaḥ or implicitly āyuḥ.

वृथा (vṛthā) - wasted, without purpose (in vain, uselessly, idly)

(indeclinable)

येन (yena) - by whom (referring to a person, implied agent of nīyate) (by whom, by which)

(pronoun)

Instrumental, masculine, singular of yad

yad - who, which, what

प्रमादः (pramādaḥ) - heedlessness (pramāda) (heedlessness, negligence, error)

(noun)

Nominative, masculine, singular of pramāda

pramāda - heedlessness, carelessness, error, negligence

derived from pra-mad (to be negligent)

Prefix: pra

Root: mad (class 4)

सुमहान् (sumahān) - exceedingly great (very great, very large, mighty)

(adjective)

Nominative, masculine, singular of sumahat

sumahat - very great, very large, mighty, enormous

prefix su- (good, excellent, very) + mahat (great)

Compound type : karmadhāraya (su+mahat)

• su – good, well, very, excellent
  indeclinable
• mahat – great, large, vast, noble
  adjective (masculine)

Note: Agrees with pramādaḥ.

अहो (aho) - alas! (expresses wonder or sorrow) (oh!, alas!, indeed!)

(indeclinable)