महाभारतः mahābhārataḥ - book-13, chapter-89, verse-2

श्राद्धं यः कृत्तिकायोगे कुर्वीत सततं नरः ।
अग्नीनाधाय सापत्यो यजेत विगतज्वरः ॥२॥

2. śrāddhaṁ yaḥ kṛttikāyoge kurvīta satataṁ naraḥ ,
agnīnādhāya sāpatyo yajeta vigatajvaraḥ.

2. śrāddham yaḥ kṛttikāyoge kurvīta satatam naraḥ
agnīn ādhāya sāpatyaḥ yajeta vigatajvaraḥ

2. A person who regularly performs the ancestral (śrāddha) rite in conjunction with the Kṛttikā asterism, after establishing the sacred fires and having progeny, should perform the Vedic ritual (yajña) free from distress.

Words meanings summery:

• श्राद्धम् (śrāddham) - the ancestral rite (ancestral rite, offering to ancestors, faith)

• यः (yaḥ) - who (who, which)

• कृत्तिकायोगे (kṛttikāyoge) - in conjunction with the Kṛttikā asterism (in the conjunction with Kṛttikā, in the Kṛttikā asterism)

• कुर्वीत (kurvīta) - should perform (should do, should perform)

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

• नरः (naraḥ) - a person (man, person, human being)

• अग्नीन् (agnīn) - the sacred fires (fires)

• आधाय (ādhāya) - after establishing (having placed, having established)

• सापत्यः (sāpatyaḥ) - having progeny (having offspring, with progeny)

• यजेत (yajeta) - should perform the Vedic ritual (yajña) (should perform a Vedic ritual, should worship)

• विगतज्वरः (vigatajvaraḥ) - free from distress (free from fever, free from anxiety, free from distress)

Words meanings and morphology

श्राद्धम् (śrāddham) - the ancestral rite (ancestral rite, offering to ancestors, faith)

(noun)

Accusative, neuter, singular of śrāddha

śrāddha - ancestral rite, offering to ancestors, faith, reverence

यः (yaḥ) - who (who, which)

(pronoun)

Nominative, masculine, singular of yad

yad - which, who

कृत्तिकायोगे (kṛttikāyoge) - in conjunction with the Kṛttikā asterism (in the conjunction with Kṛttikā, in the Kṛttikā asterism)

(noun)

Locative, masculine, singular of kṛttikā-yoga

kṛttikā-yoga - conjunction with Kṛttikā (a lunar mansion/asterism)

Compound type : tatpuruṣa (kṛttikā+yoga)

• kṛttikā – the constellation Kṛttikā, Pleiades
  proper noun (feminine)
• yoga – conjunction, union, spiritual discipline (yoga)
  noun (masculine)
  From root yuj- 'to join'
  Root: yuj (class 7)

कुर्वीत (kurvīta) - should perform (should do, should perform)

(verb)

3rd person , singular, middle, optative (vidhiliṅ) of kṛ

optative middle voice, 3rd person singular

Root kṛ (8th class, tanādi)

Root: kṛ (class 8)

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

(indeclinable)

Adverbial form of satata (constant)

नरः (naraḥ) - a person (man, person, human being)

(noun)

Nominative, masculine, singular of nara

nara - man, person, human being

अग्नीन् (agnīn) - the sacred fires (fires)

(noun)

Accusative, masculine, plural of agni

agni - fire, sacrificial fire, god of fire

आधाय (ādhāya) - after establishing (having placed, having established)

(indeclinable)

absolutive (gerund)

Formed with prefix ā + root dhā + suffix -ya for absolutives with prefixes

Prefix: ā

Root: dhā (class 3)

सापत्यः (sāpatyaḥ) - having progeny (having offspring, with progeny)

(adjective)

Nominative, masculine, singular of sāpatya

sāpatya - having offspring, with progeny

Compound of sa (with) + apatya (offspring)

Compound type : bahuvrīhi (sa+apatya)

• sa – with, together with
  indeclinable
• apatya – offspring, progeny, child
  noun (neuter)

Note: It agrees with 'naraḥ'.

यजेत (yajeta) - should perform the Vedic ritual (yajña) (should perform a Vedic ritual, should worship)

(verb)

3rd person , singular, middle, optative (vidhiliṅ) of yaj

optative middle voice, 3rd person singular

Root yaj (1st class, bhvādi)

Root: yaj (class 1)

विगतज्वरः (vigatajvaraḥ) - free from distress (free from fever, free from anxiety, free from distress)

(adjective)

Nominative, masculine, singular of vigata-jvara

vigata-jvara - free from fever, free from distress

Compound of vigata (gone away) + jvara (fever, distress)

Compound type : bahuvrīhi (vigata+jvara)

• vigata – gone away, departed, removed
  adjective
  Past Passive Participle
  vi + gam (to go) + kta
  Prefix: vi
  Root: gam (class 1)
• jvara – fever, distress, anxiety
  noun (masculine)

Note: It agrees with 'naraḥ'.