महाभारतः mahābhārataḥ - book-12, chapter-101, verse-9

चैत्र्यां वा मार्गशीर्ष्यां वा सेनायोगः प्रशस्यते ।
पक्वसस्या हि पृथिवी भवत्यम्बुमती तथा ॥९॥

9. caitryāṁ vā mārgaśīrṣyāṁ vā senāyogaḥ praśasyate ,
pakvasasyā hi pṛthivī bhavatyambumatī tathā.

9. caitryām vā mārgaśīrṣyām vā senāyogaḥ praśasyate
pakvasasyā hi pṛthivī bhavati ambumatī tathā

9. caitryām vā mārgaśīrṣyām vā senāyogaḥ praśasyate
hi pṛthivī pakvasasyā ambumatī tathā bhavati

9. Mobilization of an army is recommended either in the month of Chaitra or Margashirsha, because at that time the earth has ripe crops and sufficient water.

Words meanings summery:

• चैत्र्याम् (caitryām) - in Chaitra, in the month of Chaitra

• वा (vā) - or

• मार्गशीर्ष्याम् (mārgaśīrṣyām) - in Margashirsha, in the month of Margashirsha

• वा (vā) - or

• सेनायोगः (senāyogaḥ) - mobilization of the army, military operation

• प्रशस्यते (praśasyate) - is praised, is recommended

• पक्वसस्या (pakvasasyā) - having ripe crops

• हि (hi) - for, indeed, because

• पृथिवी (pṛthivī) - the earth, land

• भवति (bhavati) - becomes, is

• अम्बुमती (ambumatī) - having water, watery

• तथा (tathā) - thus, so, likewise, and

Words meanings and morphology

चैत्र्याम् (caitryām) - in Chaitra, in the month of Chaitra

(noun)

Locative, feminine, singular of caitrī

caitrī - the month of Chaitra (March-April)

वा (vā) - or

(indeclinable)

मार्गशीर्ष्याम् (mārgaśīrṣyām) - in Margashirsha, in the month of Margashirsha

(noun)

Locative, feminine, singular of mārgaśīrṣī

mārgaśīrṣī - the month of Margashirsha (November-December)

वा (vā) - or

(indeclinable)

सेनायोगः (senāyogaḥ) - mobilization of the army, military operation

(noun)

Nominative, masculine, singular of senāyoga

senāyoga - mobilization of an army, military action

Compound type : tatpuruṣa (senā+yoga)

• senā – army, force
  noun (feminine)
• yoga – joining, application, exertion, military expedition (yoga)
  noun (masculine)
  Root: yuj (class 7)

प्रशस्यते (praśasyate) - is praised, is recommended

(verb)

3rd person , singular, passive, present (laṭ) of praśas

passive

pra + śas, passive voice, 3rd person singular, present tense

Prefix: pra

Root: śas (class 2)

पक्वसस्या (pakvasasyā) - having ripe crops

(adjective)

Nominative, feminine, singular of pakvasasya

pakvasasya - having ripe crops

compound of 'pakva' (ripe) and 'sasya' (crop)

Compound type : bahuvrīhi (pakva+sasya)

• pakva – ripe, cooked, mature
  adjective (neuter)
  Past Passive Participle
  from root 'pac' (to cook/ripen), past participle
  Root: pac (class 1)
• sasya – grain, crop, produce
  noun (neuter)

हि (hi) - for, indeed, because

(indeclinable)

पृथिवी (pṛthivī) - the earth, land

(noun)

Nominative, feminine, singular of pṛthivī

pṛthivī - earth, land, ground

भवति (bhavati) - becomes, is

(verb)

3rd person , singular, active, present (laṭ) of bhū

root verb 'bhū', 3rd person singular, present tense, active voice

Root: bhū (class 1)

अम्बुमती (ambumatī) - having water, watery

(adjective)

Nominative, feminine, singular of ambumat

ambumat - possessing water, watery, moist

possessive suffix -mat applied to ambu (water)

तथा (tathā) - thus, so, likewise, and

(indeclinable)