महाभारतः mahābhārataḥ - book-9, chapter-47, verse-10

व्रतैश्च नियमैश्चैव तपसा च तपोधन ।
शक्रस्तोषयितव्यो वै मया त्रिभुवनेश्वरः ॥१०॥

10. vrataiśca niyamaiścaiva tapasā ca tapodhana ,
śakrastoṣayitavyo vai mayā tribhuvaneśvaraḥ.

10. vrataiḥ ca niyamaiḥ ca eva tapasā ca tapodhana
śakraḥ toṣayitavyaḥ vai mayā tribhuvaneśvaraḥ

10. tapodhana mayā vrataiḥ ca niyamaiḥ ca eva tapasā
ca vai tribhuvaneśvaraḥ śakraḥ toṣayitavyaḥ

10. O ascetic (tapodhana), Indra, the lord of the three worlds, must surely be propitiated by me through vows, observances, and spiritual austerities (tapas).

Words meanings summery:

• व्रतैः (vrataiḥ) - by vows, by observances

• च (ca) - and, also

• नियमैः (niyamaiḥ) - by rules, by observances

• च (ca) - and, also

• एव (eva) - indeed, only, just

• तपसा (tapasā) - by asceticism, by austerity, by spiritual penance (tapas)

• च (ca) - and, also

• तपोधन (tapodhana) - O ascetic, O one whose wealth is austerity (tapodhana)

• शक्रः (śakraḥ) - Indra (name of a deity)

• तोषयितव्यः (toṣayitavyaḥ) - is to be pleased, should be satisfied, must be propitiated

• वै (vai) - indeed, surely, certainly

• मया (mayā) - by me

• त्रिभुवनेश्वरः (tribhuvaneśvaraḥ) - lord of the three worlds

Words meanings and morphology

व्रतैः (vrataiḥ) - by vows, by observances

(noun)

Instrumental, neuter, plural of vrata

vrata - vow, sacred observance, religious practice, rule

च (ca) - and, also

(indeclinable)

नियमैः (niyamaiḥ) - by rules, by observances

(noun)

Instrumental, masculine, plural of niyama

niyama - rule, regulation, observance, self-restraint

च (ca) - and, also

(indeclinable)

एव (eva) - indeed, only, just

(indeclinable)

तपसा (tapasā) - by asceticism, by austerity, by spiritual penance (tapas)

(noun)

Instrumental, neuter, singular of tapas

tapas - asceticism, austerity, spiritual penance, heat, spiritual heat (tapas)

च (ca) - and, also

(indeclinable)

तपोधन (tapodhana) - O ascetic, O one whose wealth is austerity (tapodhana)

(noun)

Vocative, masculine, singular of tapodhana

tapodhana - one whose wealth is austerity, an ascetic

Compound type : bahuvrīhi (tapas+dhana)

• tapas – asceticism, austerity, spiritual penance (tapas)
  noun (neuter)
• dhana – wealth, riches, property
  noun (neuter)

शक्रः (śakraḥ) - Indra (name of a deity)

(proper noun)

Nominative, masculine, singular of śakra

śakra - Indra, powerful, mighty

तोषयितव्यः (toṣayitavyaḥ) - is to be pleased, should be satisfied, must be propitiated

(adjective)

Nominative, masculine, singular of toṣayitavya

tuṣ - to be pleased, to be satisfied

Gerundive (Potential Passive Participle) of Causative

Derived from root tuṣ (to be pleased) with causative suffix (णिच् - ṇic) and then the gerundive suffix -tavya.

Root: tuṣ (class 4)

Note: Functions as a verbal adjective.

वै (vai) - indeed, surely, certainly

(indeclinable)

मया (mayā) - by me

(pronoun)

Instrumental, singular of asmad

asmad - I, we

त्रिभुवनेश्वरः (tribhuvaneśvaraḥ) - lord of the three worlds

(noun)

Nominative, masculine, singular of tribhuvaneśvara

tribhuvaneśvara - lord of the three worlds

Compound type : ṣaṣṭhī-tatpuruṣa (tribhuvana+īśvara)

• tribhuvana – three worlds (earth, atmosphere, heaven)
  noun (neuter)
• īśvara – lord, master, god
  noun (masculine)