महाभारतः mahābhārataḥ - book-3, chapter-211, verse-2

अग्निर्यस्तु शिवो नाम शक्तिपूजापरश्च सः ।
दुःखार्तानां स सर्वेषां शिवकृत्सततं शिवः ॥२॥

2. agniryastu śivo nāma śaktipūjāparaśca saḥ ,
duḥkhārtānāṁ sa sarveṣāṁ śivakṛtsatataṁ śivaḥ.

2. agniḥ yaḥ tu śivaḥ nāma śakti-pūjā-paraḥ ca saḥ |
duḥkha-ārtānām saḥ sarveṣām śiva-kṛt satatam śivaḥ

2. And that fire named Śiva, he is also devoted to the worship of divine power (śakti). He, the auspicious one, constantly brings well-being to all those afflicted by sorrow.

Words meanings summery:

• अग्निः (agniḥ) - fire (Agni) (fire, the fire god Agni)

• यः (yaḥ) - which (who, which)

• तु (tu) - (emphasizing connection) (but, indeed, and)

• शिवः (śivaḥ) - Śiva (as a name for Agni) (auspicious, benevolent; a name of Rudra, Śiva)

• नाम (nāma) - named (by name, called; indeed (indeclinable))

• शक्ति-पूजा-परः (śakti-pūjā-paraḥ) - devoted to the worship of divine power (śakti) (devoted to Śakti worship, intent on worshipping power)

• च (ca) - and

• सः (saḥ) - he (he, that)

• दुःख-आर्तानाम् (duḥkha-ārtānām) - for all those afflicted by sorrow (of those afflicted by sorrow, of the distressed)

• सः (saḥ) - he (he, that)

• सर्वेषाम् (sarveṣām) - of all

• शिव-कृत् (śiva-kṛt) - brings well-being, producer of auspiciousness (auspicious-making, benevolent, producer of welfare)

• सततम् (satatam) - constantly (constantly, perpetually, always)

• शिवः (śivaḥ) - the auspicious one (auspicious, benevolent; a name of Rudra, Śiva)

Words meanings and morphology

अग्निः (agniḥ) - fire (Agni) (fire, the fire god Agni)

(noun)

Nominative, masculine, singular of agni

agni - fire; the god of fire, Agni.

यः (yaḥ) - which (who, which)

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what.

Relative pronoun.

तु (tu) - (emphasizing connection) (but, indeed, and)

(indeclinable)

Particle.

शिवः (śivaḥ) - Śiva (as a name for Agni) (auspicious, benevolent; a name of Rudra, Śiva)

(proper noun)

Nominative, masculine, singular of śiva

śiva - auspicious, benevolent, propitious; name of a deity (Śiva).

नाम (nāma) - named (by name, called; indeed (indeclinable))

(indeclinable)

शक्ति-पूजा-परः (śakti-pūjā-paraḥ) - devoted to the worship of divine power (śakti) (devoted to Śakti worship, intent on worshipping power)

(adjective)

Nominative, masculine, singular of śakti-pūjā-para

śakti-pūjā-para - devoted to the worship of Śakti; intent on worshiping power.

Compound.

Compound type : tatpuruṣa (śakti+pūjā+para)

• śakti – power, strength, energy; the divine feminine principle (śakti).
  noun (feminine)
  From root `śak` (to be able).
  Root: śak (class 5)
• pūjā – worship, adoration, homage.
  noun (feminine)
  From root `pūj` (to honor, worship).
  Root: pūj (class 10)
• para – other, subsequent; supreme, highest; devoted to, intent on (when last member of compound).
  adjective (masculine)

Note: Refers to `agniḥ`.

च (ca) - and

(indeclinable)

Conjunction.

सः (saḥ) - he (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it.

Demonstrative pronoun.

दुःख-आर्तानाम् (duḥkha-ārtānām) - for all those afflicted by sorrow (of those afflicted by sorrow, of the distressed)

(adjective)

Genitive, masculine, plural of duḥkha-ārta

duḥkha-ārta - afflicted by sorrow, distressed, suffering.

Compound: `duḥkha` (sorrow) + `ārta` (afflicted).

Compound type : tatpuruṣa (duḥkha+ārta)

• duḥkha – pain, sorrow, suffering, misery.
  noun (neuter)
• ārta – afflicted, distressed, pained.
  adjective (masculine)
  Past Passive Participle
  From root `ard` (to pain).
  Root: ard (class 1)

Note: Used substantively (of those who are `duḥkhārta`).

सः (saḥ) - he (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it.

Demonstrative pronoun.

सर्वेषाम् (sarveṣām) - of all

(pronoun)

Genitive, masculine, plural of sarva

sarva - all, every, whole, entire.

Pronoun/adjective.

शिव-कृत् (śiva-kṛt) - brings well-being, producer of auspiciousness (auspicious-making, benevolent, producer of welfare)

(adjective)

Nominative, masculine, singular of śiva-kṛt

śiva-kṛt - producing welfare, benevolent, auspicious-making.

Compound: `śiva` (auspicious) + `kṛt` (making, doing).

Compound type : tatpuruṣa (śiva+kṛt)

• śiva – auspicious, benevolent, propitious.
  adjective (masculine)
• kṛt – making, doing, performing; creator, doer.
  adjective (masculine)
  Agent noun suffix.
  From root `kṛ` (to do, make).
  Root: kṛ (class 8)

Note: A compound adjective, agrees with `saḥ` or `śivaḥ`.

सततम् (satatam) - constantly (constantly, perpetually, always)

(indeclinable)

From `sa` (with) + `tata` (spread out).

Root: tan (class 8)

Note: Accusative singular neuter of an adjective used adverbially.

शिवः (śivaḥ) - the auspicious one (auspicious, benevolent; a name of Rudra, Śiva)

(adjective)

Nominative, masculine, singular of śiva

śiva - auspicious, benevolent, propitious; name of a deity (Śiva).

Note: Predicate adjective for `saḥ` (he).