महाभारतः mahābhārataḥ - book-3, chapter-65, verse-21

कदा नु खलु दुःखस्य पारं यास्यति वै शुभा ।
भर्तुः समागमात्साध्वी रोहिणी शशिनो यथा ॥२१॥

21. kadā nu khalu duḥkhasya pāraṁ yāsyati vai śubhā ,
bhartuḥ samāgamātsādhvī rohiṇī śaśino yathā.

21. kadā nu khalu duḥkhasya pāram yāsyati vai śubhā
bhartuḥ samāgamāt sādhvī rohiṇī śaśinaḥ yathā

21. When, indeed, will this beautiful and virtuous woman reach the end of her sorrow through union with her husband, just as Rohiṇī (the star) unites with the Moon?

Words meanings summery:

• कदा (kadā) - when (when?)

• नु (nu) - indeed (indeed, now, certainly)

• खलु (khalu) - indeed, surely (indeed, surely, certainly)

• दुःखस्य (duḥkhasya) - of sorrow (of sorrow, of misery, of pain)

• पारम् (pāram) - the end (the other side, the end, limit)

• यास्यति (yāsyati) - she will reach (she will go, will proceed, will reach)

• वै (vai) - indeed (indeed, truly, certainly)

• शुभा (śubhā) - this beautiful (woman, Damayantī) (beautiful, auspicious, radiant (feminine))

• भर्तुः (bhartuḥ) - of her husband (of the husband, from the husband)

• समागमात् (samāgamāt) - through union (with her husband) (from union, from meeting, by coming together)

• साध्वी (sādhvī) - this virtuous (woman, Damayantī) (virtuous, chaste, righteous woman)

• रोहिणी (rohiṇī) - Rohiṇī (the star) (Rohiṇī (name of a star, wife of the Moon god))

• शशिनः (śaśinaḥ) - of the Moon (of the moon, of the hare-marked one)

• यथा (yathā) - just as (just as, as, according to)

Words meanings and morphology

कदा (kadā) - when (when?)

(indeclinable)

Interrogative adverb.

नु (nu) - indeed (indeed, now, certainly)

(indeclinable)

Particle.

खलु (khalu) - indeed, surely (indeed, surely, certainly)

(indeclinable)

Particle.

दुःखस्य (duḥkhasya) - of sorrow (of sorrow, of misery, of pain)

(noun)

Genitive, neuter, singular of duḥkha

duḥkha - sorrow, misery, pain, suffering, unhappiness

From dus (bad) + kha (axle hole, indicating imbalance/difficulty).

Compound type : tatpurusha (dus+kha)

• dus – bad, difficult, ill-
  indeclinable
• kha – space, sky, aperture, zero
  noun (neuter)

Note: Connected to pāram.

पारम् (pāram) - the end (the other side, the end, limit)

(noun)

Accusative, neuter, singular of pāra

pāra - the other side, the further bank, the end, limit, conclusion

From root pṛ (to cross, fill)

Root: pṛ (class 3)

Note: Object of yāsyati.

यास्यति (yāsyati) - she will reach (she will go, will proceed, will reach)

(verb)

3rd person , singular, active, future (lṛṭ) of yā

Future Active

Class 2 Parasmaipada verb.

Root: yā (class 2)

वै (vai) - indeed (indeed, truly, certainly)

(indeclinable)

Particle.

शुभा (śubhā) - this beautiful (woman, Damayantī) (beautiful, auspicious, radiant (feminine))

(adjective)

Nominative, feminine, singular of śubha

śubha - beautiful, auspicious, radiant, good, happy

From root śubh (to shine, be beautiful)

Root: śubh (class 1)

Note: Epithet for Damayantī.

भर्तुः (bhartuḥ) - of her husband (of the husband, from the husband)

(noun)

Genitive, masculine, singular of bhartṛ

bhartṛ - husband, maintainer, supporter, lord

Agent noun from root bhṛ.

Root: bhṛ (class 3)

Note: Indicates association with samāgamāt.

समागमात् (samāgamāt) - through union (with her husband) (from union, from meeting, by coming together)

(noun)

Ablative, masculine, singular of samāgama

samāgama - union, meeting, conjunction, coming together

From sam-ā-gam (to come together, meet).

Prefixes: sam+ā

Root: gam (class 1)

Note: Means by which sorrow ends.

साध्वी (sādhvī) - this virtuous (woman, Damayantī) (virtuous, chaste, righteous woman)

(noun)

Nominative, feminine, singular of sādhvī

sādhvī - virtuous woman, chaste woman, righteous woman

Feminine form of sādhu (good, virtuous).

Root: sādh (class 5)

Note: Epithet for Damayantī.

रोहिणी (rohiṇī) - Rohiṇī (the star) (Rohiṇī (name of a star, wife of the Moon god))

(proper noun)

Nominative, feminine, singular of rohiṇī

rohiṇī - Rohiṇī (name of a star, one of the lunar mansions, wife of the Moon god)

Root: ruh (class 1)

Note: Subject in the simile.

शशिनः (śaśinaḥ) - of the Moon (of the moon, of the hare-marked one)

(noun)

Genitive, masculine, singular of śaśin

śaśin - moon (literally 'having a hare' - referring to the markings on the moon), hare

From śaśa (hare) + in (possessive suffix).

Note: Possessive for rohiṇī.

यथा (yathā) - just as (just as, as, according to)

(indeclinable)

Adverb/conjunction of comparison.