महाभारतः mahābhārataḥ - book-9, chapter-64, verse-18

दुर्विज्ञेया गतिर्नूनं कार्याणां कारणान्तरे ।
यद्वै लोकगुरुर्भूत्वा भवानेतां दशां गतः ॥१८॥

18. durvijñeyā gatirnūnaṁ kāryāṇāṁ kāraṇāntare ,
yadvai lokagururbhūtvā bhavānetāṁ daśāṁ gataḥ.

18. durvijñeyā gatiḥ nūnam kāryāṇām kāraṇāntare yat
vai lokaguruḥ bhūtvā bhavān etām daśām gataḥ

18. nūnam kāryāṇām gatiḥ durvijñeyā kāraṇāntare yat
vai bhavān lokaguruḥ bhūtvā etām daśām gataḥ

18. Indeed, the course of affairs is difficult to comprehend, influenced by various underlying causes; for you, who became a preceptor (guru) to the world, have now reached this condition.

Words meanings summery:

• दुर्विज्ञेया (durvijñeyā) - difficult to know, hard to understand

• गतिः (gatiḥ) - course of events/affairs (course, movement, state, outcome)

• नूनम् (nūnam) - certainly, indeed, surely

• कार्याणाम् (kāryāṇām) - of actions, of affairs, of outcomes

• कारणान्तरे (kāraṇāntare) - due to various underlying reasons/causes (due to another cause, in another cause, in underlying causes)

• यत् (yat) - since (introducing the reason) (since, because, that which)

• वै (vai) - indeed, certainly, surely

• लोकगुरुः (lokaguruḥ) - preceptor (guru) of the world (teacher of the world, preceptor of people)

• भूत्वा (bhūtvā) - having become

• भवान् (bhavān) - you (honorific)

• एताम् (etām) - this

• दशाम् (daśām) - state, condition, plight

• गतः (gataḥ) - reached (this state) (gone, reached, attained)

Words meanings and morphology

दुर्विज्ञेया (durvijñeyā) - difficult to know, hard to understand

(adjective)

Nominative, feminine, singular of durvijñeya

durvijñeya - difficult to know, unintelligible, hard to understand

Gerundive / Future Passive Participle

From root jñā with prefix dur-vi and suffix ya (kyaP or ṇyat).

Compound type : Upapada-tatpuruṣa (dur+vi+jñeya)

• dur – difficult, bad, ill
  indeclinable
  prefix
• vi – apart, asunder, thoroughly
  indeclinable
  prefix
• jñeya – knowable, to be known
  adjective
  Gerundive
  Root jñā + ya suffix.
  Root: jñā (class 9)

Note: Agrees with gatiḥ.

गतिः (gatiḥ) - course of events/affairs (course, movement, state, outcome)

(noun)

Nominative, feminine, singular of gati

gati - going, moving, course, state, condition, destiny, fate

From root gam with suffix ktin.

Root: gam (class 1)

Note: Subject of the first clause.

नूनम् (nūnam) - certainly, indeed, surely

(indeclinable)

Adverb.

कार्याणाम् (kāryāṇām) - of actions, of affairs, of outcomes

(noun)

Genitive, neuter, plural of kārya

kārya - to be done, duty, action, affair, effect, outcome

Gerundive / Future Passive Participle

From root kṛ with suffix ṇyat.

Root: kṛ (class 8)

Note: of actions/affairs related to gatiḥ.

कारणान्तरे (kāraṇāntare) - due to various underlying reasons/causes (due to another cause, in another cause, in underlying causes)

(noun)

Locative, neuter, singular of kāraṇāntara

kāraṇāntara - another cause, underlying cause

Compound of kāraṇa and antara.

Compound type : Tatpuruṣa (kāraṇa+antara)

• kāraṇa – cause, reason, instrument
  noun (neuter)
  From kṛ root.
  Root: kṛ (class 8)
• antara – other, different, internal, interval, space between
  adjective

Note: due to another cause.

यत् (yat) - since (introducing the reason) (since, because, that which)

(indeclinable)

Relative pronoun.

Note: As conjunction.

वै (vai) - indeed, certainly, surely

(indeclinable)

Emphatic particle.

लोकगुरुः (lokaguruḥ) - preceptor (guru) of the world (teacher of the world, preceptor of people)

(noun)

Nominative, masculine, singular of lokaguru

lokaguru - teacher/preceptor of the world/people

Compound of loka and guru.

Compound type : Tatpuruṣa (loka+guru)

• loka – world, people, universe
  noun (masculine)
• guru – teacher, spiritual guide, heavy, important
  noun (masculine)

Note: Predicate nominative for bhavān.

भूत्वा (bhūtvā) - having become

(indeclinable)

Absolutive (Gerund)

From root bhū with suffix ktvā.

Root: bhū (class 1)

भवान् (bhavān) - you (honorific)

(pronoun)

Nominative, masculine, singular of bhavat

bhavat - you (honorific), being, existing

Present Active Participle

From root bhū with suffix śatṛ.

Root: bhū (class 1)

Note: Subject of the second clause.

एताम् (etām) - this

(pronoun)

Accusative, feminine, singular of etad

etad - this, this here

Demonstrative pronoun.

Note: Agrees with daśām.

दशाम् (daśām) - state, condition, plight

(noun)

Accusative, feminine, singular of daśā

daśā - state, condition, period of life, plight

गतः (gataḥ) - reached (this state) (gone, reached, attained)

(adjective)

Nominative, masculine, singular of gata

gata - gone, arrived, obtained, known

Past Passive Participle

From root gam with suffix kta.

Root: gam (class 1)

Note: Agrees with bhavān. Acts as the main verb 'have reached'.