महाभारतः mahābhārataḥ - book-6, chapter-3, verse-29

चन्द्रसूर्यावुभौ ग्रस्तावेकमासे त्रयोदशीम् ।
अपर्वणि ग्रहावेतौ प्रजाः संक्षपयिष्यतः ॥२९॥

29. candrasūryāvubhau grastāvekamāse trayodaśīm ,
aparvaṇi grahāvetau prajāḥ saṁkṣapayiṣyataḥ.

29. candrasūryau ubhau grastau ekamāse trayodaśīm
aparvaṇi grahau etau prajāḥ saṃkṣapayiṣyataḥ

29. candrasūryau ubhau ekamāse trayodaśīm grastau (sthaḥ).
etau grahau aparvaṇi prajāḥ saṃkṣapayiṣyataḥ.

29. Both the Moon and the Sun are eclipsed on the thirteenth day within a single month. These two celestial bodies (grahas), eclipsing on an inauspicious occasion (aparvaṇi), will destroy the people (prajāḥ).

Words meanings summery:

• चन्द्रसूर्यौ (candrasūryau) - the Moon and the Sun

• उभौ (ubhau) - both

• ग्रस्तौ (grastau) - eclipsed, seized, consumed

• एकमासे (ekamāse) - in one month

• त्रयोदशीम् (trayodaśīm) - on the thirteenth lunar day (the thirteenth day)

• अपर्वणि (aparvaṇi) - on an inauspicious occasion, not on a parvan (junction period)

• ग्रहौ (grahau) - the Moon and the Sun are considered grahas in astrology (the two planets, the two celestial bodies)

• एतौ (etau) - these two

• प्रजाः (prajāḥ) - people, subjects, creatures, progeny

• संक्षपयिष्यतः (saṁkṣapayiṣyataḥ) - will destroy completely, will exhaust, will waste away

Words meanings and morphology

चन्द्रसूर्यौ (candrasūryau) - the Moon and the Sun

(noun)

Nominative, masculine, dual of candrasūrya

candrasūrya - Moon and Sun

Compound type : dvandva (candra+sūrya)

• candra – Moon, lunar
  noun (masculine)
• sūrya – Sun, solar
  noun (masculine)

उभौ (ubhau) - both

(pronoun)

Nominative, masculine, dual of ubha

ubha - both

Note: Agrees with 'candrasūryau'

ग्रस्तौ (grastau) - eclipsed, seized, consumed

(participle)

Nominative, masculine, dual of grasta

grasta - eclipsed, seized, swallowed, consumed

Past Passive Participle

Derived from the root gras (to seize, swallow)

Root: gras (class 1)

Note: Agrees with 'candrasūryau'

एकमासे (ekamāse) - in one month

(noun)

Locative, masculine, singular of ekamāsa

ekamāsa - one month

Compound type : karmadhāraya (eka+māsa)

• eka – one, single, unique
  numeral (masculine)
• māsa – month, moon
  noun (masculine)

त्रयोदशीम् (trayodaśīm) - on the thirteenth lunar day (the thirteenth day)

(noun)

Accusative, feminine, singular of trayodaśī

trayodaśī - the thirteenth day of the lunar fortnight

Note: Used as a temporal accusative adverbially.

अपर्वणि (aparvaṇi) - on an inauspicious occasion, not on a parvan (junction period)

(noun)

Locative, neuter, singular of aparvan

aparvan - not a parvan (inauspicious time); without joints or knots

Compound type : nañ-tatpuruṣa (a+parvan)

• a – not, non-, un-
  prefix
• parvan – joint, knot; division, section; a day of junction (e.g., full moon, new moon, 8th lunar day), auspicious occasion
  noun (neuter)

ग्रहौ (grahau) - the Moon and the Sun are considered grahas in astrology (the two planets, the two celestial bodies)

(noun)

Nominative, masculine, dual of graha

graha - seizing, holding; planet, celestial body (in astrology)

Root: grah (class 9)

Note: Refers to Moon and Sun

एतौ (etau) - these two

(pronoun)

Nominative, masculine, dual of etas

etas - this (proximal demonstrative)

Note: Agrees with 'grahau'

प्रजाः (prajāḥ) - people, subjects, creatures, progeny

(noun)

Accusative, feminine, plural of prajā

prajā - progeny, offspring, people, subjects, creatures

Root: jan (class 1)

संक्षपयिष्यतः (saṁkṣapayiṣyataḥ) - will destroy completely, will exhaust, will waste away

(verb)

3rd person , dual, active, future (lṛṭ) of saṃkṣap

Causative of saṃ-kṣi

Prefix: sam

Root: kṣi (class 1)

Note: Agrees with 'candrasūryau ubhau' (as agent)