महाभारतः mahābhārataḥ - book-12, chapter-322, verse-42

उशना बृहस्पतिश्चैव यदोत्पन्नौ भविष्यतः ।
तदा प्रवक्ष्यतः शास्त्रं युष्मन्मतिभिरुद्धृतम् ॥४२॥

42. uśanā bṛhaspatiścaiva yadotpannau bhaviṣyataḥ ,
tadā pravakṣyataḥ śāstraṁ yuṣmanmatibhiruddhṛtam.

42. uśanā bṛhaspatiḥ ca eva yadā utpannau bhaviṣyataḥ
tadā pravakṣyataḥ śāstram yuṣmat-matibhiḥ uddhṛtam

42. yadā uśanā ca bṛhaspatiḥ eva utpannau bhaviṣyataḥ,
tadā (tau) yuṣmat-matibhiḥ uddhṛtam śāstram pravakṣyataḥ

42. When Uśanas and Bṛhaspati are born, then they will both expound the scripture (śāstra) that has been brought forth by your intellects.

Words meanings summery:

• उशना (uśanā) - Uśanas (name of a sage).

• बृहस्पतिः (bṛhaspatiḥ) - Bṛhaspati (name of a deity/sage).

• च (ca) - And.

• एव (eva) - Indeed, only, also.

• यदा (yadā) - When.

• उत्पन्नौ (utpannau) - Arisen, born.

• भविष्यतः (bhaviṣyataḥ) - They both will be.

• तदा (tadā) - Then, at that time.

• प्रवक्ष्यतः (pravakṣyataḥ) - They both will declare, they both will expound.

• शास्त्रम् (śāstram) - Scripture, teaching, treatise.

• युष्मत्-मतिभिः (yuṣmat-matibhiḥ) - By your intellects.

• उद्धृतम् (uddhṛtam) - The scripture that has been brought forth or formulated by your intellects. (Extracted, brought forth, upheld.)

Words meanings and morphology

उशना (uśanā) - Uśanas (name of a sage).

(proper noun)

Nominative, masculine, singular of uśanas

uśanas - Uśanas (also Śukra), the preceptor of the asuras.

Masculine nominative singular.

Note: One of the subjects of bhaviṣyataḥ.

बृहस्पतिः (bṛhaspatiḥ) - Bṛhaspati (name of a deity/sage).

(proper noun)

Nominative, masculine, singular of bṛhaspati

bṛhaspati - Bṛhaspati, the preceptor of the gods (devas), lord of prayer.

Masculine nominative singular.

Note: One of the subjects of bhaviṣyataḥ.

च (ca) - And.

(indeclinable)

एव (eva) - Indeed, only, also.

(indeclinable)

यदा (yadā) - When.

(indeclinable)

Temporal adverb.

उत्पन्नौ (utpannau) - Arisen, born.

(participle)

Nominative, masculine, dual of utpanna

utpanna - Born, produced, arisen, happened.

Past Passive Participle

From ud + root pad (to go, move, fall), then participle suffix kta.

Prefix: ud

Root: pad (class 4)

Note: Functions as an adjective or predicate.

भविष्यतः (bhaviṣyataḥ) - They both will be.

(verb)

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

Future Active

3rd person dual, future tense, active voice.

Root: bhū (class 1)

Note: Verb for Uśanas and Bṛhaspati.

तदा (tadā) - Then, at that time.

(indeclinable)

Temporal adverb.

प्रवक्ष्यतः (pravakṣyataḥ) - They both will declare, they both will expound.

(verb)

3rd person , dual, middle, future (lṛṭ) of vac

Future Middle

From pra + root vac (to speak); 3rd person dual, future tense, middle voice.

Prefix: pra

Root: vac (class 2)

Note: Verb for Uśanas and Bṛhaspati.

शास्त्रम् (śāstram) - Scripture, teaching, treatise.

(noun)

Accusative, neuter, singular of śāstra

śāstra - Instruction, precept, rule, sacred book, scientific treatise.

From root śās (to teach, rule).

Root: śās (class 2)

युष्मत्-मतिभिः (yuṣmat-matibhiḥ) - By your intellects.

(noun)

Instrumental, feminine, plural of yuṣmanmati

yuṣmanmati - Your intellect, your thought.

yuṣmad (pronominal stem for 'you') + mati (intellect, thought).

Compound type : tatpuruṣa (yuṣmad+mati)

• yuṣmad – Your, of you.
  pronoun
  Pronominal stem, second person plural.
• mati – Thought, intelligence, intellect, mind, opinion.
  noun (feminine)
  From root man (to think).
  Root: man (class 4)

Note: Agent of uddhṛtam.

उद्धृतम् (uddhṛtam) - The scripture that has been brought forth or formulated by your intellects. (Extracted, brought forth, upheld.)

(participle)

Accusative, neuter, singular of uddhṛta

uddhṛta - Brought forth, extracted, uplifted, quoted, supported.

Past Passive Participle

From ud + root hṛ (to carry, take) + kta suffix.

Prefix: ud

Root: hṛ (class 1)

Note: Describes śāstram.