महाभारतः mahābhārataḥ - book-1, chapter-66, verse-2

अथापश्यद्वरारोहा तपसा दग्धकिल्बिषम् ।
विश्वामित्रं तपस्यन्तं मेनका भीरुराश्रमे ॥२॥

2. athāpaśyadvarārohā tapasā dagdhakilbiṣam ,
viśvāmitraṁ tapasyantaṁ menakā bhīrurāśrame.

2. atha apaśyat varārohā tapasā dagdhakilbiṣam |
viśvāmitram tapasyantam menakā bhīruḥ āśrame

2. Then, the beautiful-hipped Menaka, feeling fearful, saw Vishvamitra in the hermitage, who had burned away his sins through tapas and was engaged in performing more tapas.

Words meanings summery:

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

• अपश्यत् (apaśyat) - she saw (he/she saw)

• वरारोहा (varārohā) - the beautiful-hipped one (Menaka) (beautiful-hipped, well-proportioned)

• तपसा (tapasā) - through tapas (austerity) (by austerity, by penance)

• दग्धकिल्बिषम् (dagdhakilbiṣam) - whose sins had been burnt away (whose sins are burnt, purified from sin)

• विश्वामित्रम् (viśvāmitram) - Vishvamitra (Vishvamitra (proper name))

• तपस्यन्तम् (tapasyantam) - performing tapas (performing tapas, practicing austerity)

• मेनका (menakā) - Menaka (Menaka (proper name))

• भीरुः (bhīruḥ) - fearful (fearful, timid)

• आश्रमे (āśrame) - in the hermitage (in the hermitage, in the āśrama)

Words meanings and morphology

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

(indeclinable)

अपश्यत् (apaśyat) - she saw (he/she saw)

(verb)

3rd person , singular, active, imperfect (laṅ) of paś

Imperfect tense, 3rd person singular

from dṛś (to see), root changes to paś in present/imperfect

Root: dṛś (class 1)

वरारोहा (varārohā) - the beautiful-hipped one (Menaka) (beautiful-hipped, well-proportioned)

(adjective)

Nominative, feminine, singular of varārohā

varārohā - having beautiful hips, well-proportioned, an elegant woman

Compound type : bahuvrihi (vara+ārohā)

• vara – excellent, best, choicest, boon
  adjective (masculine)
  Root: vṛ (class 9)
• ārohā – hips, buttock, ascending
  noun (feminine)
  Prefix: ā
  Root: ruh (class 1)

Note: Agrees with Menaka, the implied subject.

तपसा (tapasā) - through tapas (austerity) (by austerity, by penance)

(noun)

Instrumental, neuter, singular of tapas

tapas - austerity, penance, heat, religious devotion

Root: tap (class 1)

दग्धकिल्बिषम् (dagdhakilbiṣam) - whose sins had been burnt away (whose sins are burnt, purified from sin)

(adjective)

Accusative, masculine, singular of dagdhakilbiṣa

dagdhakilbiṣa - whose sins are burnt, purified from sin

Compound type : bahuvrihi (dagdha+kilbiṣa)

• dagdha – burnt, consumed by fire
  adjective (masculine)
  Past Passive Participle
  from dah (to burn)
  Root: dah (class 1)
• kilbiṣa – sin, fault, crime
  noun (neuter)

विश्वामित्रम् (viśvāmitram) - Vishvamitra (Vishvamitra (proper name))

(proper noun)

Accusative, masculine, singular of viśvāmitra

viśvāmitra - Vishvamitra (a great sage)

तपस्यन्तम् (tapasyantam) - performing tapas (performing tapas, practicing austerity)

(adjective)

Accusative, masculine, singular of tapasyant

tapasyant - performing tapas, practicing austerity

Present Active Participle

from the denominative verb tapasyā (to practice tapas)

Root: tap (class 1)

मेनका (menakā) - Menaka (Menaka (proper name))

(proper noun)

Nominative, feminine, singular of menakā

menakā - Menaka (an apsaras)

भीरुः (bhīruḥ) - fearful (fearful, timid)

(adjective)

Nominative, feminine, singular of bhīru

bhīru - fearful, timid, afraid

Root: bhī (class 3)

आश्रमे (āśrame) - in the hermitage (in the hermitage, in the āśrama)

(noun)

Locative, masculine, singular of āśrama

āśrama - hermitage, ascetic's abode, āśrama (stage of life)

Prefix: ā

Root: śram (class 4)