महाभारतः mahābhārataḥ - book-3, chapter-82, verse-14

शाकंभरीं समासाद्य ब्रह्मचारी समाहितः ।
त्रिरात्रमुषितः शाकं भक्षयेन्नियतः शुचिः ॥१४॥

14. śākaṁbharīṁ samāsādya brahmacārī samāhitaḥ ,
trirātramuṣitaḥ śākaṁ bhakṣayenniyataḥ śuciḥ.

14. śākambharīm samāsādya brahmacārī samāhitaḥ
trirātram uṣitaḥ śākam bhakṣayet niyataḥ śuciḥ

14. Having reached Śākambharī, a celibate student (brahmacārī) who is concentrated and pure, should eat vegetables for three nights, being disciplined.

Words meanings summery:

• शाकम्भरीम् (śākambharīm) - The sacred place named Śākambharī. (Śākambharī (a place or deity))

• समासाद्य (samāsādya) - having reached the place Śākambharī. (having reached, having approached, having obtained)

• ब्रह्मचारी (brahmacārī) - A student observing celibacy (brahmacarya). (celibate student, one who observes a celibate life (brahmacarya))

• समाहितः (samāhitaḥ) - Being focused and mentally composed. (concentrated, attentive, composed, collected)

• त्रिरात्रम् (trirātram) - For a duration of three nights. (three nights, for three nights)

• उषितः (uṣitaḥ) - having spent (three nights). (having stayed, having dwelt)

• शाकम् (śākam) - vegetables (as food). (vegetable, herb)

• भक्षयेत् (bhakṣayet) - he should consume (vegetables). (should eat, may eat)

• नियतः (niyataḥ) - Being self-controlled and disciplined in his practice. (restrained, disciplined, controlled, regulated)

• शुचिः (śuciḥ) - Ritually and morally pure. (pure, clean, holy)

Words meanings and morphology

शाकम्भरीम् (śākambharīm) - The sacred place named Śākambharī. (Śākambharī (a place or deity))

(proper noun)

Accusative, feminine, singular of śākambharī

śākambharī - Name of a goddess or a sacred place where she is worshipped; nourisher with vegetables.

Compound of śāka (vegetable) and ambharī (bearer/nourisher).

Compound type : tatpuruṣa (śāka+ambharī)

• śāka – vegetable, herb
  noun (neuter)
• ambharī – bearer, nourisher (feminine form of ambhara)
  noun (feminine)
  Derived from root √bhṛ (to bear, nourish).
  Root: √bhṛ (class 3)

समासाद्य (samāsādya) - having reached the place Śākambharī. (having reached, having approached, having obtained)

(indeclinable)

absolutive (gerund)

From prefix sam- + prefix ā- + root √sad (to sit, approach) with suffix -ya.

Prefixes: sam+ā

Root: √sad (class 1)

ब्रह्मचारी (brahmacārī) - A student observing celibacy (brahmacarya). (celibate student, one who observes a celibate life (brahmacarya))

(noun)

Nominative, masculine, singular of brahmacārin

brahmacārin - a religious student, a celibate, one who practices a celibate life (brahmacarya)

Compound of brahman and cārin.

Compound type : tatpuruṣa (brahman+cārin)

• brahman – sacred utterance, holy knowledge, ultimate reality (brahman)
  noun (neuter)
• cārin – going, moving, practicing, observing
  adjective (masculine)
  Agent noun from √car.
  Derived from root √car (to move, to practice) with suffix -in.
  Root: √car (class 1)

समाहितः (samāhitaḥ) - Being focused and mentally composed. (concentrated, attentive, composed, collected)

(adjective)

Nominative, masculine, singular of samāhita

samāhita - collected, concentrated, composed, attentive

Past Passive Participle

From prefix sam- + prefix ā- + root √dhā (to place, put) with suffix -ta.

Prefixes: sam+ā

Root: √dhā (class 3)

त्रिरात्रम् (trirātram) - For a duration of three nights. (three nights, for three nights)

(noun)

Accusative, neuter, singular of trirātra

trirātra - three nights

Compound of tri (three) and rātra (night).

Compound type : dvigu (tri+rātra)

• tri – three
  numeral
• rātra – night
  noun (neuter)

Note: Used adverbially to indicate duration.

उषितः (uṣitaḥ) - having spent (three nights). (having stayed, having dwelt)

(adjective)

Nominative, masculine, singular of uṣita

uṣita - stayed, dwelt, passed (time)

Past Passive Participle

From root √vas (to dwell, stay) with irregular participle formation.

Root: √vas (class 1)

शाकम् (śākam) - vegetables (as food). (vegetable, herb)

(noun)

Accusative, neuter, singular of śāka

śāka - vegetable, herb, pot-herb

Note: Object of bhakṣayet.

भक्षयेत् (bhakṣayet) - he should consume (vegetables). (should eat, may eat)

(verb)

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

Optative mood, Parasmaipada

Denominative root from bhakṣa (food), or causative of √bhaj (to divide, eat).

Root: √bhakṣ (class 10)

नियतः (niyataḥ) - Being self-controlled and disciplined in his practice. (restrained, disciplined, controlled, regulated)

(adjective)

Nominative, masculine, singular of niyata

niyata - restrained, controlled, disciplined, regulated, fixed

Past Passive Participle

From prefix ni- + root √yam (to restrain, control) with suffix -ta.

Prefix: ni

Root: √yam (class 1)

शुचिः (śuciḥ) - Ritually and morally pure. (pure, clean, holy)

(adjective)

Nominative, masculine, singular of śuci

śuci - pure, clean, bright, holy