महाभारतः mahābhārataḥ - book-5, chapter-70, verse-88

न जातु गमनं तत्र भवेत्पार्थ निरर्थकम् ।
अर्थप्राप्तिः कदाचित्स्यादन्ततो वाप्यवाच्यता ॥८८॥

88. na jātu gamanaṁ tatra bhavetpārtha nirarthakam ,
arthaprāptiḥ kadācitsyādantato vāpyavācyatā.

88. na jātu gamanam tatra bhavet pārtha nirarthakam
arthaprāptiḥ kadācit syāt antataḥ vā api avācyatā

88. O Pārtha, my going there would never be in vain. There might be some achievement of purpose, or at the very least, my action would be beyond reproach.

Words meanings summery:

• न (na) - not, no

• जातु (jātu) - ever, at any time, by any means

• गमनम् (gamanam) - my journey, my going (to the Kauravas) (going, moving, journey, motion)

• तत्र (tatra) - to the place of the Kauravas (there, in that place)

• भवेत् (bhavet) - would be, should be

• पार्थ (pārtha) - O Arjuna (O son of Pṛthā, O Arjuna)

• निरर्थकम् (nirarthakam) - useless, in vain (useless, meaningless, in vain)

• अर्थप्राप्तिः (arthaprāptiḥ) - attainment of (desired) purpose, success (attainment of purpose, acquisition of wealth, success)

• कदाचित् (kadācit) - perhaps (sometimes, perhaps, at some time)

• स्यात् (syāt) - would be, might be

• अन्ततः (antataḥ) - at the very least, finally (finally, ultimately, at last)

• वा (vā) - or, either

• अपि (api) - even (also, even, too, moreover)

• अवाच्यता (avācyatā) - blamelessness, non-reproach (blamelessness, not speaking, inexpressibility)

Words meanings and morphology

न (na) - not, no

(indeclinable)

जातु (jātu) - ever, at any time, by any means

(indeclinable)

गमनम् (gamanam) - my journey, my going (to the Kauravas) (going, moving, journey, motion)

(noun)

Nominative, neuter, singular of gamana

gamana - going, motion, journey, course

action noun

From root gam (to go) + ana suffix.

Root: gam (class 1)

Note: Nominative singular neuter.

तत्र (tatra) - to the place of the Kauravas (there, in that place)

(indeclinable)

Derived from 'tad' (that) + 'tra' suffix.

भवेत् (bhavet) - would be, should be

(verb)

3rd person , singular, active, optative (vidhiliṅ) of bhū

Root: bhū (class 1)

Note: Optative 3rd singular active of bhū.

पार्थ (pārtha) - O Arjuna (O son of Pṛthā, O Arjuna)

(proper noun)

Vocative, masculine, singular of pārtha

pārtha - son of Pṛthā (Kuntī), a name for Arjuna, Yudhiṣṭhira, Bhīma

Patronymic from Pṛthā.

Note: Vocative singular masculine.

निरर्थकम् (nirarthakam) - useless, in vain (useless, meaningless, in vain)

(adjective)

Nominative, neuter, singular of nirarthaka

nirarthaka - useless, meaningless, in vain, without purpose

Compound type : avyayībhāva (nis+artha)

• nis – out, forth, without, negation
  indeclinable
  prefix
• artha – aim, purpose, meaning, wealth, object
  noun (masculine)

Note: Nominative singular neuter, agreeing with gamanam.

अर्थप्राप्तिः (arthaprāptiḥ) - attainment of (desired) purpose, success (attainment of purpose, acquisition of wealth, success)

(noun)

Nominative, feminine, singular of arthaprāpti

arthaprāpti - attainment of object, gain, success, acquisition of wealth

Compound type : tatpuruṣa (artha+prāpti)

• artha – aim, purpose, meaning, wealth, object
  noun (masculine)
• prāpti – attainment, acquisition, obtaining, reaching
  noun (feminine)
  action noun
  From pra-āp (to obtain) + ti suffix.
  Prefix: pra
  Root: āp (class 5)

Note: Nominative singular feminine.

कदाचित् (kadācit) - perhaps (sometimes, perhaps, at some time)

(indeclinable)

स्यात् (syāt) - would be, might be

(verb)

3rd person , singular, active, optative (vidhiliṅ) of as

Root: as (class 2)

Note: Optative 3rd singular active of as.

अन्ततः (antataḥ) - at the very least, finally (finally, ultimately, at last)

(indeclinable)

Derived from 'anta' (end) + 'tas' suffix.

वा (vā) - or, either

(indeclinable)

अपि (api) - even (also, even, too, moreover)

(indeclinable)

अवाच्यता (avācyatā) - blamelessness, non-reproach (blamelessness, not speaking, inexpressibility)

(noun)

Nominative, feminine, singular of avācyatā

avācyatā - blamelessness, inability to be spoken, inexpressibility, non-reproach

From 'a' (not) + 'vācya' (speakable, blameable) + 'tā' (abstract noun suffix).

Compound type : nañ-tatpuruṣa (a+vācya)

• a – not, non
  indeclinable
  negative prefix
• vācya – to be spoken, expressible, to be blamed
  gerundive (neuter)
  Gerundive
  From root vac (to speak) + ya suffix.
  Root: vac (class 2)

Note: Nominative singular feminine.