महाभारतः mahābhārataḥ - book-3, chapter-80, verse-73

चर्मण्वतीं समासाद्य नियतो नियताशनः ।
रन्तिदेवाभ्यनुज्ञातो अग्निष्टोमफलं लभेत् ॥७३॥

73. carmaṇvatīṁ samāsādya niyato niyatāśanaḥ ,
rantidevābhyanujñāto agniṣṭomaphalaṁ labhet.

73. carmaṇvatīm samāsādya niyataḥ niyatāśanaḥ
rantidevābhyanujñātaḥ agniṣṭomaphalam labhet

73. niyataḥ niyatāśanaḥ rantidevābhyanujñātaḥ
carmaṇvatīm samāsādya agniṣṭomaphalam labhet

73. One who, disciplined and with a regulated diet, reaches the Carmaṇvatī river and is authorized by Rantideva, will attain the reward of the Agniṣṭoma Vedic ritual (yajña).

Words meanings summery:

• चर्मण्वतीम् (carmaṇvatīm) - to the Carmaṇvatī river (to Carmaṇvatī)

• समासाद्य (samāsādya) - having reached, having approached

• नियतः (niyataḥ) - disciplined, restrained, controlled

• नियताशनः (niyatāśanaḥ) - one with a regulated diet, one who eats moderately

• रन्तिदेवाभ्यनुज्ञातः (rantidevābhyanujñātaḥ) - authorized by Rantideva

• अग्निष्टोमफलम् (agniṣṭomaphalam) - the reward of the Agniṣṭoma Vedic ritual (yajña) (the fruit of the Agniṣṭoma)

• लभेत् (labhet) - would obtain, should obtain

Words meanings and morphology

चर्मण्वतीम् (carmaṇvatīm) - to the Carmaṇvatī river (to Carmaṇvatī)

(proper noun)

Accusative, feminine, singular of carmaṇvatī

carmaṇvatī - Name of a river

समासाद्य (samāsādya) - having reached, having approached

(indeclinable)

Absolutive (Gerund)

Formed from root 'sad' (to sit, go) with prefixes 'sam' and 'ā', and the 'lyaP' suffix.

Prefixes: sam+ā

Root: sad (class 1)

नियतः (niyataḥ) - disciplined, restrained, controlled

(adjective)

Nominative, masculine, singular of niyata

niyata - restrained, self-controlled, disciplined, fixed, certain

Past Passive Participle

From root 'yam' (to control, restrain) with prefix 'ni'.

Prefix: ni

Root: yam (class 1)

Note: Used here adjectivally to describe the person.

नियताशनः (niyatāśanaḥ) - one with a regulated diet, one who eats moderately

(noun)

Nominative, masculine, singular of niyatāśana

niyatāśana - one who eats in moderation, one with a regulated diet

Compound.

Compound type : Bahuvrihi (niyata+āśana)

• niyata – restrained, self-controlled, regulated
  adjective (masculine)
  Past Passive Participle
  From root 'yam' with prefix 'ni'.
  Prefix: ni
  Root: yam (class 1)
• āśana – eating, food, act of eating
  noun (neuter)
  From root 'aś' (to eat).
  Root: aś (class 9)

रन्तिदेवाभ्यनुज्ञातः (rantidevābhyanujñātaḥ) - authorized by Rantideva

(adjective)

Nominative, masculine, singular of rantidevābhyanujñāta

rantidevābhyanujñāta - permitted/authorized by Rantideva

Past Passive Participle (compound with instrumental agent)

Compound with 'Rantideva' (genitive/instrumental implicitly) and 'abhyanujñāta' (permitted).

Compound type : Tatpurusha (rantideva+abhyanujñāta)

• rantideva – Name of a king
  proper noun (masculine)
• abhyanujñāta – permitted, authorized, assented to
  adjective (masculine)
  Past Passive Participle
  From root 'jñā' (to know) with prefixes 'abhi' and 'anu'.
  Prefixes: abhi+anu
  Root: jñā (class 9)

अग्निष्टोमफलम् (agniṣṭomaphalam) - the reward of the Agniṣṭoma Vedic ritual (yajña) (the fruit of the Agniṣṭoma)

(noun)

Accusative, neuter, singular of agniṣṭomaphala

agniṣṭomaphala - the fruit/result of the Agniṣṭoma (a Vedic ritual)

Compound.

Compound type : Tatpurusha (agniṣṭoma+phala)

• agniṣṭoma – Name of a specific Soma Vedic ritual (yajña)
  noun (masculine)
• phala – fruit, result, reward, consequence
  noun (neuter)

लभेत् (labhet) - would obtain, should obtain

(verb)

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

Optative Mood

3rd singular active optative form.

Root: labh (class 1)