महाभारतः mahābhārataḥ - book-9, chapter-49, verse-4

देवताः पूजयन्नित्यमतिथींश्च द्विजैः सह ।
ब्रह्मचर्यरतो नित्यं सदा धर्मपरायणः ॥४॥

4. devatāḥ pūjayannityamatithīṁśca dvijaiḥ saha ,
brahmacaryarato nityaṁ sadā dharmaparāyaṇaḥ.

4. devatāḥ pūjayan nityam atithīn ca dvijaiḥ saha
brahmacaryarataḥ nityam sadā dharmaparāyaṇaḥ

4. devatāḥ pūjayan nityam atithīn ca dvijaiḥ saha
brahmacaryarataḥ nityam sadā dharmaparāyaṇaḥ

4. Constantly worshipping the deities and guests, along with brahmins (dvija), always devoted to celibacy (brahmacarya), he was ever dedicated to his natural law (dharma).

Words meanings summery:

• देवताः (devatāḥ) - deities, gods, divinities

• पूजयन् (pūjayan) - worshipping, honoring, revering

• नित्यम् (nityam) - constantly, always, perpetually, eternally

• अतिथीन् (atithīn) - guests, strangers, visitors

• च (ca) - and, also, moreover

• द्विजैः (dvijaiḥ) - by brahmins, by the twice-born

• सह (saha) - with, along with, together with

• ब्रह्मचर्यरतः (brahmacaryarataḥ) - devoted to celibacy, engaged in the life of a religious student (brahmacarya)

• नित्यम् (nityam) - constantly, always, perpetually, eternally

• सदा (sadā) - always, ever, perpetually, constantly

• धर्मपरायणः (dharmaparāyaṇaḥ) - devoted to natural law (dharma), intent on righteousness, dedicated to duty

Words meanings and morphology

देवताः (devatāḥ) - deities, gods, divinities

(noun)

Nominative, feminine, plural of devatā

devatā - deity, divinity, godhead, divine nature

पूजयन् (pūjayan) - worshipping, honoring, revering

(adjective)

Nominative, masculine, singular of pūjayat

pūjayat - worshipping, honoring

Present Active Participle

Derived from the root 'pūj' (to worship, honor) with the causative suffix 'ṇic' and the present participle suffix 'śatṛ'.

Root: pūj (class 1)

नित्यम् (nityam) - constantly, always, perpetually, eternally

(indeclinable)

Can function as an adjective or an adverb.

Note: Used adverbially here.

अतिथीन् (atithīn) - guests, strangers, visitors

(noun)

Accusative, masculine, plural of atithi

atithi - guest, stranger, visitor; one who has no fixed date (for arrival)

च (ca) - and, also, moreover

(indeclinable)

द्विजैः (dvijaiḥ) - by brahmins, by the twice-born

(noun)

Instrumental, masculine, plural of dvija

dvija - twice-born (a member of the first three varṇas: Brāhmaṇa, Kṣatriya, Vaiśya); a Brāhmaṇa; a bird; a tooth; a snake

Derived from 'dvi' (twice) + 'jan' (to be born).

सह (saha) - with, along with, together with

(indeclinable)

ब्रह्मचर्यरतः (brahmacaryarataḥ) - devoted to celibacy, engaged in the life of a religious student (brahmacarya)

(adjective)

Nominative, masculine, singular of brahmacaryarata

brahmacaryarata - devoted to celibacy, engaged in sacred study or the life of a religious student

Compound type : tatpuruṣa (brahmacarya+rata)

• brahmacarya – celibacy, chaste life, religious student life, the conduct of a brahmin (brahman)
  noun (neuter)
• rata – delighted in, devoted to, attached to, engaged in
  adjective (masculine)
  Past Passive Participle
  Derived from the root 'ram' (to delight, rejoice) with the suffix 'kta'.
  Root: ram (class 1)

नित्यम् (nityam) - constantly, always, perpetually, eternally

(indeclinable)

Can function as an adjective or an adverb.

Note: Used adverbially here.

सदा (sadā) - always, ever, perpetually, constantly

(indeclinable)

धर्मपरायणः (dharmaparāyaṇaḥ) - devoted to natural law (dharma), intent on righteousness, dedicated to duty

(adjective)

Nominative, masculine, singular of dharmaparāyaṇa

dharmaparāyaṇa - intent on dharma, devoted to duty, righteous

Compound type : tatpuruṣa (dharma+parāyaṇa)

• dharma – natural law, constitution, righteousness, duty, virtue, religion
  noun (masculine)
  Root: dhṛ (class 1)
• parāyaṇa – chief object, ultimate end, refuge, intent on, devoted to
  noun (neuter)