महाभारतः mahābhārataḥ - book-12, chapter-305, verse-18

प्रतीक्षमाणस्तत्कालं यत्कालं प्रति तद्भवेत् ।
अथास्य नेष्टं मरणं स्थातुमिच्छेदिमां क्रियाम् ॥१८॥

18. pratīkṣamāṇastatkālaṁ yatkālaṁ prati tadbhavet ,
athāsya neṣṭaṁ maraṇaṁ sthātumicchedimāṁ kriyām.

18. pratīkṣamāṇaḥ tatkālam yatkālam prati tat bhavet atha
asya na iṣṭam maraṇam sthātum icchet imām kriyām

18. (saḥ) tatkālam pratīkṣamāṇaḥ,
yatkālam prati tat bhavet atha asya maraṇam na iṣṭam,
(saḥ) imām kriyām sthātum icchet

18. While awaiting that auspicious time when (the union) may manifest, such a person does not desire death; rather, they should wish to continue this spiritual practice (kriyā).

Words meanings summery:

• प्रतीक्षमाणः (pratīkṣamāṇaḥ) - awaiting (waiting, expecting, looking for)

• तत्कालम् (tatkālam) - that auspicious time (that time, at that time)

• यत्कालम् (yatkālam) - when (which time, at which time, when)

• प्रति (prati) - until (towards, against, to, in return, regarding, until)

• तत् (tat) - that (union with paramātmā) (that, it, he, she)

• भवेत् (bhavet) - may manifest (may be, might be, should be, would be, may happen)

• अथ (atha) - therefore (now, then, thereupon, therefore, moreover)

• अस्य (asya) - by him (the yogi) (of him, of this, his, its)

• न (na) - not (not, no)

• इष्टम् (iṣṭam) - desired (desired, wished, beloved, sacred, worshipped; a desired object)

• मरणम् (maraṇam) - death (death, dying)

• स्थातुम् (sthātum) - to continue (to stand, to stay, to remain, to exist, to continue)

• इच्छेत् (icchet) - should wish (should wish, desires, may desire)

• इमाम् (imām) - this (this (feminine))

• क्रियाम् (kriyām) - this spiritual practice (action, activity, deed, rite, performance, practice)

Words meanings and morphology

प्रतीक्षमाणः (pratīkṣamāṇaḥ) - awaiting (waiting, expecting, looking for)

(participle)

Nominative, masculine, singular of pratīkṣamāṇa

pratīkṣamāṇa - waiting, expecting, looking for

Present Middle Participle

From `prati` (prefix) + verbal root `īkṣ` (to see, look) + `śāna` (Middle participle suffix).

Prefix: prati

Root: īkṣ (class 1)

तत्कालम् (tatkālam) - that auspicious time (that time, at that time)

(noun)

Accusative, masculine, singular of tatkāla

tatkāla - that time

Compound `tat` (that) + `kāla` (time).

Compound type : karmadhāraya (tad+kāla)

• tad – that, he, she, it
  pronoun (neuter)
• kāla – time, period, season, suitable time
  noun (masculine)

Note: Object of `pratīkṣamāṇaḥ`.

यत्कालम् (yatkālam) - when (which time, at which time, when)

(noun)

Accusative, masculine, singular of yatkāla

yatkāla - which time

Compound `yat` (which) + `kāla` (time).

Compound type : karmadhāraya (yad+kāla)

• yad – which, what, who
  pronoun (neuter)
• kāla – time, period, season, suitable time
  noun (masculine)

Note: Adverbial accusative.

प्रति (prati) - until (towards, against, to, in return, regarding, until)

(indeclinable)

Preposition/prefix.

Note: Governs `yatkālam`.

तत् (tat) - that (union with paramātmā) (that, it, he, she)

(pronoun)

Nominative, neuter, singular of tad

tad - that, he, she, it

Demonstrative pronoun.

Note: Subject of `bhavet`.

भवेत् (bhavet) - may manifest (may be, might be, should be, would be, may happen)

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of bhū

Optative Mood, Parasmaipada, 3rd Person, Singular

From verbal root `bhū` (class 1).

Root: bhū (class 1)

अथ (atha) - therefore (now, then, thereupon, therefore, moreover)

(indeclinable)

Conjunction, marks a new sentence or thought sequence.

अस्य (asya) - by him (the yogi) (of him, of this, his, its)

(pronoun)

Genitive, masculine, singular of idam

idam - this, he, she, it

Demonstrative pronoun, masculine genitive singular.

Note: Used here to indicate the agent ('by him') with `iṣṭam`.

न (na) - not (not, no)

(indeclinable)

Particle of negation.

इष्टम् (iṣṭam) - desired (desired, wished, beloved, sacred, worshipped; a desired object)

(participle)

Nominative, neuter, singular of iṣṭa

iṣṭa - desired, wished for, beloved, worshipped, sacrificed

Past Passive Participle

From verbal root `iṣ` (class 6, to wish, desire).

Root: iṣ (class 6)

Note: Agrees with `maraṇam`.

मरणम् (maraṇam) - death (death, dying)

(noun)

Nominative, neuter, singular of maraṇa

maraṇa - death, dying, act of dying

verbal noun

From verbal root `mṛ` (to die) with suffix `ana`.

Root: mṛ (class 6)

स्थातुम् (sthātum) - to continue (to stand, to stay, to remain, to exist, to continue)

(indeclinable)

Infinitive

From verbal root `sthā` (class 1) with suffix `tum`.

Root: sthā (class 1)

Note: This is an indeclinable form.

इच्छेत् (icchet) - should wish (should wish, desires, may desire)

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of iṣ

Optative Mood, Parasmaipada, 3rd Person, Singular

From verbal root `iṣ` (class 6).

Root: iṣ (class 6)

Note: Subject is implied `saḥ` (the yogi).

इमाम् (imām) - this (this (feminine))

(pronoun)

Accusative, feminine, singular of idam

idam - this, he, she, it

Demonstrative pronoun, feminine accusative singular.

क्रियाम् (kriyām) - this spiritual practice (action, activity, deed, rite, performance, practice)

(noun)

Accusative, feminine, singular of kriyā

kriyā - action, activity, performance, ceremony, rite, practice, religious act

verbal noun

From verbal root `kṛ` (to do, make) with suffix `yā`.

Root: kṛ (class 8)