महाभारतः mahābhārataḥ - book-6, chapter-3, verse-25

संवत्सरस्थायिनौ च ग्रहौ प्रज्वलितावुभौ ।
विशाखयोः समीपस्थौ बृहस्पतिशनैश्चरौ ॥२५॥

25. saṁvatsarasthāyinau ca grahau prajvalitāvubhau ,
viśākhayoḥ samīpasthau bṛhaspatiśanaiścarau.

25. saṃvatsarasthāyinau ca grahau prajvalitau ubhau
viśākhayoḥ samīpasthau bṛhaspatiśanaiścarau

25. ca ubhau grahau bṛhaspatiśanaiścarau
saṃvatsarasthāyinau prajvalitau viśākhayoḥ samīpasthau

25. And both planets, Jupiter (bṛhaspati) and Saturn (śanaiścara), blazing intensely and positioned for a year, were located near the (nakṣatra) Viśākha.

Words meanings summery:

• संवत्सरस्थायिनौ (saṁvatsarasthāyinau) - remaining for a year

• च (ca) - and

• ग्रहौ (grahau) - two planets

• प्रज्वलितौ (prajvalitau) - blazing, inflamed

• उभौ (ubhau) - both

• विशाखयोः (viśākhayoḥ) - in/near the two Viśākhas (nakṣatra)

• समीपस्थौ (samīpasthau) - situated nearby

• बृहस्पतिशनैश्चरौ (bṛhaspatiśanaiścarau) - Jupiter and Saturn

Words meanings and morphology

संवत्सरस्थायिनौ (saṁvatsarasthāyinau) - remaining for a year

(adjective)

Nominative, masculine, dual of saṃvatsarasthāyin

saṁvatsarasthāyin - remaining or lasting for a year

Compound type : tatpuruṣa (saṃvatsara+sthāyin)

• saṃvatsara – year
  noun (masculine)
• sthāyin – standing, staying, lasting
  adjective (masculine)
  Root: sthā (class 1)

च (ca) - and

(indeclinable)

ग्रहौ (grahau) - two planets

(noun)

Nominative, masculine, dual of graha

graha - seizing, holding; planet; node of moon's orbit

Root: grah (class 9)

प्रज्वलितौ (prajvalitau) - blazing, inflamed

(adjective)

Nominative, masculine, dual of prajvalita

prajvalita - blazing, burning, ignited

Past Passive Participle

Derived from root jval with prefix pra

Prefix: pra

Root: jval (class 1)

उभौ (ubhau) - both

(pronoun)

Nominative, masculine, dual of ubha

ubha - both (declined only in dual)

विशाखयोः (viśākhayoḥ) - in/near the two Viśākhas (nakṣatra)

(noun)

Locative, feminine, dual of viśākhā

viśākhā - the sixteenth (or occasionally fifteenth) lunar mansion (nakṣatra), typically represented by a forked branch or two stars

समीपस्थौ (samīpasthau) - situated nearby

(adjective)

Nominative, masculine, dual of samīpastha

samīpastha - situated near, proximate

Compound type : tatpuruṣa (samīpa+stha)

• samīpa – near, proximity
  noun (neuter)
• stha – standing, existing, situated
  adjective (masculine)
  agent noun
  Derived from root sthā with suffix -a
  Root: sthā (class 1)

बृहस्पतिशनैश्चरौ (bṛhaspatiśanaiścarau) - Jupiter and Saturn

(proper noun)

Nominative, masculine, dual of bṛhaspatiśanaiścara

bṛhaspatiśanaiścara - Jupiter and Saturn (as a dual compound)

Compound type : dvandva (bṛhaspati+śanaiścara)

• bṛhaspati – Jupiter (the planet or its deity)
  proper noun (masculine)
• śanaiścara – Saturn (the planet or its deity), lit. 'slow-moving'
  proper noun (masculine)