महाभारतः mahābhārataḥ - book-1, chapter-33, verse-16

अथ वा य उपाध्यायः क्रतौ तस्मिन्भविष्यति ।
सर्पसत्रविधानज्ञो राजकार्यहिते रतः ॥१६॥

16. atha vā ya upādhyāyaḥ kratau tasminbhaviṣyati ,
sarpasatravidhānajño rājakāryahite rataḥ.

16. atha vā yaḥ upādhyāyaḥ kratau tasmin bhaviṣyati
sarpasatra-vidhānajñaḥ rājakārya-hite rataḥ

16. Alternatively, the preceptor who will be at that sacrifice, one who is skilled in the procedures of the snake sacrifice and dedicated to the welfare of the king's endeavors...

Words meanings summery:

• अथ (atha) - alternatively, then (now, then, moreover, or)

• वा (vā) - or (alternatively) (or, either...or)

• यः (yaḥ) - who (who, which)

• उपाध्यायः (upādhyāyaḥ) - the preceptor (preceptor, teacher, priest)

• क्रतौ (kratau) - at the sacrifice (in the sacrifice, in the ritual)

• तस्मिन् (tasmin) - at that (sacrifice) (in that, on that)

• भविष्यति (bhaviṣyati) - will be present (will be, will happen)

• सर्पसत्र-विधानज्ञः (sarpasatra-vidhānajñaḥ) - skilled in the procedures of the snake sacrifice (knowledgeable about the rules of the snake sacrifice)

• राजकार्य-हिते (rājakārya-hite) - to the welfare of the king's endeavors (in the welfare of the king's business)

• रतः (rataḥ) - dedicated to (devoted to, engaged in, delighted in)

Words meanings and morphology

अथ (atha) - alternatively, then (now, then, moreover, or)

(indeclinable)

वा (vā) - or (alternatively) (or, either...or)

(indeclinable)

यः (yaḥ) - who (who, which)

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

उपाध्यायः (upādhyāyaḥ) - the preceptor (preceptor, teacher, priest)

(noun)

Nominative, masculine, singular of upādhyāya

upādhyāya - teacher, preceptor, spiritual guide, priest

क्रतौ (kratau) - at the sacrifice (in the sacrifice, in the ritual)

(noun)

Locative, masculine, singular of kratu

kratu - sacrifice, ritual, rite, power, will, intelligence

Root: kṛ (class 8)

तस्मिन् (tasmin) - at that (sacrifice) (in that, on that)

(pronoun)

Locative, masculine, singular of tad

tad - that, he, she, it

Note: Agrees with `kratau`.

भविष्यति (bhaviṣyati) - will be present (will be, will happen)

(verb)

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

future tense

From root bhū (to be, become).

Root: bhū (class 1)

सर्पसत्र-विधानज्ञः (sarpasatra-vidhānajñaḥ) - skilled in the procedures of the snake sacrifice (knowledgeable about the rules of the snake sacrifice)

(adjective)

Nominative, masculine, singular of sarpasatra-vidhānajña

sarpasatra-vidhānajña - one who knows the rules/procedures of the snake sacrifice

Compound type : tatpuruṣa (sarpa+satra+vidhāna+jña)

• sarpa – snake
  noun (masculine)
• satra – sacrifice, ritual
  noun (neuter)
• vidhāna – ordinance, rule, procedure, method
  noun (neuter)
  Root: dhā (class 3)
• jña – knower, knowing
  adjective
  agent noun
  From root jñā (to know) with kṛt suffix 'a'
  Root: jñā (class 9)

Note: Acts as an adjective describing `upādhyāyaḥ`.

राजकार्य-हिते (rājakārya-hite) - to the welfare of the king's endeavors (in the welfare of the king's business)

(noun)

Locative, masculine, singular of rājakārya-hita

rājakārya-hita - welfare or benefit of the king's work

Compound type : tatpuruṣa (rājan+kārya+hita)

• rājan – king, sovereign
  noun (masculine)
• kārya – work, duty, business, to be done
  noun/gerundive (neuter)
  gerundive/action noun
  From root kṛ (to do, make), with suffix -ya (kṛtya pratyaya)
  Root: kṛ (class 8)
• hita – welfare, benefit, good, suitable
  noun/adjective (neuter)
  past passive participle
  From root dhā (to place, put) with prefix hi-
  Root: dhā (class 3)

Note: Refers to the sphere of engagement of `rataḥ`.

रतः (rataḥ) - dedicated to (devoted to, engaged in, delighted in)

(adjective)

Nominative, masculine, singular of rata

rata - delighted, pleased, attached to, devoted to, engaged in

past passive participle

From root ram (to delight, enjoy, be pleased).

Root: ram (class 1)

Note: Agrees with `upādhyāyaḥ`.