महाभारतः mahābhārataḥ - book-12, chapter-260, verse-31

यज्ञाङ्गान्यपि चैतानि यथोक्तानि नसंशयः ।
विधिना विधियुक्तानि तारयन्ति परस्परम् ॥३१॥

31. yajñāṅgānyapi caitāni yathoktāni nasaṁśayaḥ ,
vidhinā vidhiyuktāni tārayanti parasparam.

31. yajñāṅgāni api ca etāni yathoktāni na saṃśayaḥ
| vidhinā vidhiyuktāni tārayanti parasparam

31. etāni yajñāṅgāni api yathoktāni na saṃśayaḥ.
vidhinā vidhiyuktāni (santīti) parasparam tārayanti.

31. Indeed, these components of Vedic ritual (yajña), as described, are without doubt. When properly performed according to prescribed rules, they mutually sustain each other.

Words meanings summery:

• यज्ञाङ्गानि (yajñāṅgāni) - components of Vedic ritual (yajña)

• अपि (api) - also, even, indeed

• च (ca) - and

• एतानि (etāni) - these

• यथोक्तानि (yathoktāni) - as said, as declared, as prescribed

• न (na) - not, no

• संशयः (saṁśayaḥ) - doubt, uncertainty

• विधिना (vidhinā) - by rule, according to precept

• विधियुक्तानि (vidhiyuktāni) - endowed with rules, properly enjoined by rule

• तारयन्ति (tārayanti) - they make cross, they sustain, they uplift

• परस्परम् (parasparam) - mutually, each other

Words meanings and morphology

यज्ञाङ्गानि (yajñāṅgāni) - components of Vedic ritual (yajña)

(noun)

Nominative, neuter, plural of yajñāṅga

yajñāṅga - limb/part of yajna; component of Vedic ritual

Compound type : tatpuruṣa (yajña+aṅga)

• yajña – Vedic ritual, sacrifice, worship
  noun (masculine)
  Root: yaj (class 1)
• aṅga – limb, part, component
  noun (neuter)

अपि (api) - also, even, indeed

(indeclinable)

च (ca) - and

(indeclinable)

एतानि (etāni) - these

(pronoun)

Nominative, neuter, plural of etad

etad - this, these

यथोक्तानि (yathoktāni) - as said, as declared, as prescribed

(participle)

Nominative, neuter, plural of yathokta

yathokta - as stated, as declared, as prescribed

Past Passive Participle

Formed from ukta (PPP of vac) prefixed with yathā.

Compound type : avyayībhāva (yathā+ukta)

• yathā – as, according to
  indeclinable
• ukta – said, spoken, declared
  participle (neuter)
  Past Passive Participle
  Root: vac (class 2)

न (na) - not, no

(indeclinable)

संशयः (saṁśayaḥ) - doubt, uncertainty

(noun)

Nominative, masculine, singular of saṃśaya

saṁśaya - doubt, uncertainty, suspicion

Prefix: sam

Root: śī (class 2)

विधिना (vidhinā) - by rule, according to precept

(noun)

Instrumental, masculine, singular of vidhi

vidhi - rule, injunction, method, ordinance

Root: dhā (class 3)

विधियुक्तानि (vidhiyuktāni) - endowed with rules, properly enjoined by rule

(participle)

Nominative, neuter, plural of vidhiyukta

vidhiyukta - connected with rules, properly ordained, lawful, prescribed

Past Passive Participle (acting as adjective)

Compound type : tatpuruṣa (vidhi+yukta)

• vidhi – rule, injunction, method, ordinance
  noun (masculine)
  Root: dhā (class 3)
• yukta – joined, connected, proper, fit, endowed with
  participle (neuter)
  Past Passive Participle
  Root: yuj (class 7)

तारयन्ति (tārayanti) - they make cross, they sustain, they uplift

(verb)

3rd person , plural, active, present indicative (laṭ) of tārayanti

Causative verb

Causative of root tṛ.

Root: tṛ (class 1)

परस्परम् (parasparam) - mutually, each other

(pronoun)

Accusative, neuter, singular of paraspara

paraspara - mutual, reciprocal, each other

Note: Used adverbially here.