महाभारतः mahābhārataḥ - book-5, chapter-104, verse-15

अथ वर्षशते पूर्णे धर्मः पुनरुपागमत् ।
वासिष्ठं वेषमास्थाय कौशिकं भोजनेप्सया ॥१५॥

15. atha varṣaśate pūrṇe dharmaḥ punarupāgamat ,
vāsiṣṭhaṁ veṣamāsthāya kauśikaṁ bhojanepsayā.

15. atha varṣaśate pūrṇe dharmaḥ punaḥ upāgamat
vāsiṣṭham veṣam āsthāya kauśikam bhojanepsayā

15. Then, after a hundred years were completed, Dharma (natural law) appeared again, assuming the guise of Vasiṣṭha, and approached Kauśika (Viśvāmitra) with the desire for food.

Words meanings summery:

• अथ (atha) - then, now, thereupon, consequently

• वर्षशते (varṣaśate) - in a hundred years, at the completion of a hundred years

• पूर्णे (pūrṇe) - completed, full, fulfilled

• धर्मः (dharmaḥ) - Dharma, natural law, righteousness

• पुनः (punaḥ) - again, back, anew

• उपागमत् (upāgamat) - approached, came near

• वासिष्ठम् (vāsiṣṭham) - of Vasiṣṭha, relating to Vasiṣṭha

• वेषम् (veṣam) - guise, dress, appearance, costume

• आस्थाय (āsthāya) - having assumed, having adopted, taking on

• कौशिकम् (kauśikam) - to Kauśika (Viśvāmitra)

• भोजनेप्सया (bhojanepsayā) - with the desire for food

Words meanings and morphology

अथ (atha) - then, now, thereupon, consequently

(indeclinable)

वर्षशते (varṣaśate) - in a hundred years, at the completion of a hundred years

(noun)

Locative, neuter, singular of varṣaśata

varṣaśata - a hundred years

Compound type : tatpuruṣa (varṣa+śata)

• varṣa – year, rain
  noun (neuter)
  Root: vṛṣ (class 1)
• śata – hundred
  noun (neuter)

पूर्णे (pūrṇe) - completed, full, fulfilled

(adjective)

Locative, neuter, singular of pūrṇa

pūrṇa - full, complete, fulfilled, perfect

Past Passive Participle

From √pṛ (to fill) + kta suffix (ṇ).

Root: pṛ (class 9)

धर्मः (dharmaḥ) - Dharma, natural law, righteousness

(noun)

Nominative, masculine, singular of dharma

dharma - natural law, constitution, intrinsic nature, righteousness, duty, virtue, cosmic order

Root: dhṛ (class 1)

पुनः (punaḥ) - again, back, anew

(indeclinable)

उपागमत् (upāgamat) - approached, came near

(verb)

3rd person , singular, active, past imperfect (laṅ) of gam

Prefixes: upa+ā

Root: gam (class 1)

वासिष्ठम् (vāsiṣṭham) - of Vasiṣṭha, relating to Vasiṣṭha

(adjective)

Accusative, masculine, singular of vāsiṣṭha

vāsiṣṭha - belonging to, descended from, or resembling Vasiṣṭha

Taddhita derivation from Vasiṣṭha.

वेषम् (veṣam) - guise, dress, appearance, costume

(noun)

Accusative, masculine, singular of veṣa

veṣa - guise, dress, costume, external appearance, attire

Root: viś (class 6)

आस्थाय (āsthāya) - having assumed, having adopted, taking on

(indeclinable)

Absolutive (Gerund)

From the root √sthā with upasarga ā and the lyap suffix.

Prefix: ā

Root: sthā (class 1)

कौशिकम् (kauśikam) - to Kauśika (Viśvāmitra)

(proper noun)

Accusative, masculine, singular of kauśika

kauśika - descendant of Kuśika (an epithet for Viśvāmitra), an owl

Patronymic from Kuśika.

भोजनेप्सया (bhojanepsayā) - with the desire for food

(noun)

Instrumental, feminine, singular of bhojanepsā

bhojanepsā - desire for food, hunger

Compound type : tatpuruṣa (bhojana+īpsā)

• bhojana – food, eating, meal
  noun (neuter)
  Action noun
  From √bhuj (to enjoy, eat) + ana suffix.
  Root: bhuj (class 7)
• īpsā – desire, wish, intention
  noun (feminine)
  Desiderative noun
  From the desiderative stem of √āp (to obtain).
  Root: āp (class 5)