योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-113, verse-30

सुखितस्याल्पतामेति दुःखितस्यैति दीर्घताम् ।
कालो यस्याः प्रसादेन विपर्यासैकशीलिनाम् ॥ ३० ॥

sukhitasyālpatāmeti duḥkhitasyaiti dīrghatām ,
kālo yasyāḥ prasādena viparyāsaikaśīlinām 30

30. sukhitasya alpatām eti duḥkhitasya eti dīrghatām
kālaḥ yasyāḥ prasādena viparyāsaikaśīlinām

30. yasyāḥ prasādena viparyāsaikaśīlinām kālaḥ
sukhitasya alpatām eti duḥkhitasya dīrghatām eti

30. Time, by whose grace, becomes brief for the happy and extended for the sorrowful, specifically for those whose nature is characterized by such inversions.

Words meanings summery:

• सुखितस्य (sukhitasya) - of the happy one, for the happy one

• अल्पताम् (alpatām) - shortness, brevity, smallness

• एति (eti) - goes, attains, comes to

• दुःखितस्य (duḥkhitasya) - of the sorrowful one, for the sorrowful one

• एति (eti) - goes, attains, comes to

• दीर्घताम् (dīrghatām) - length, extension

• कालः (kālaḥ) - time

• यस्याः (yasyāḥ) - refers to the divine power/consciousness (of whom, by whom (feminine))

• प्रसादेन (prasādena) - by the grace, by the favor

• विपर्यासैकशीलिनाम् (viparyāsaikaśīlinām) - of those whose nature is prone to such changes in perception (of those whose sole characteristic is reversal/inversion)

Words meanings and morphology

सुखितस्य (sukhitasya) - of the happy one, for the happy one

(adjective)

Genitive, masculine, singular of sukhita

sukhita - happy, joyous, comfortable

past passive participle

From `sukha` + `ita` (suffix indicating state).

Note: Used substantively (for the happy person).

अल्पताम् (alpatām) - shortness, brevity, smallness

(noun)

Accusative, feminine, singular of alpatā

alpatā - shortness, brevity, smallness, insignificance

From `alpa` (small) + `tā` (suffix forming abstract noun).

Note: Object of `eti`.

एति (eti) - goes, attains, comes to

(verb)

3rd person , singular, active, present (laṭ) of i

Root: i (class 2)

Note: The subject is `kālaḥ`.

दुःखितस्य (duḥkhitasya) - of the sorrowful one, for the sorrowful one

(adjective)

Genitive, masculine, singular of duḥkhita

duḥkhita - sorrowful, distressed, unhappy

past passive participle

From `duḥkha` + `ita` (suffix indicating state).

Note: Used substantively (for the sorrowful person).

एति (eti) - goes, attains, comes to

(verb)

3rd person , singular, active, present (laṭ) of i

Root: i (class 2)

दीर्घताम् (dīrghatām) - length, extension

(noun)

Accusative, feminine, singular of dīrghatā

dīrghatā - length, extension, protractedness

From `dīrgha` (long) + `tā` (suffix forming abstract noun).

Note: Object of `eti`.

कालः (kālaḥ) - time

(noun)

Nominative, masculine, singular of kāla

kāla - time, season, moment

Root: kal (class 1)

Note: Subject of `eti`.

यस्याः (yasyāḥ) - refers to the divine power/consciousness (of whom, by whom (feminine))

(pronoun)

Genitive, feminine, singular of yad

yad - who, which, of whom

प्रसादेन (prasādena) - by the grace, by the favor

(noun)

Instrumental, masculine, singular of prasāda

prasāda - grace, favor, calmness, clarity

Root: sad (class 1)

विपर्यासैकशीलिनाम् (viparyāsaikaśīlinām) - of those whose nature is prone to such changes in perception (of those whose sole characteristic is reversal/inversion)

(adjective)

Genitive, plural of viparyāsaikaśālin

viparyāsaikaśālin - characterized by unique reversals, having only one kind of inversion as a characteristic

From `viparyāsaika` + `śālin` (possessing).

Compound type : karmadhāraya (viparyāsa+eka+śālin)

• viparyāsa – reversal, inversion, contrary state, change
  noun (masculine)
  Prefixes: vi+pari
  Root: as (class 4)
• eka – one, single, sole
  numeral
• śālin – possessing, endowed with, characterized by
  suffix (adjectival)

Note: Qualifies unspecified individuals whose experience of time is subject to such inversions.