महाभारतः mahābhārataḥ - book-13, chapter-85, verse-5

लक्षणानि स्वराः स्तोभा निरुक्तं स्वरभक्तयः ।
ओंकारश्चावसन्नेत्रे निग्रहप्रग्रहौ तथा ॥५॥

5. lakṣaṇāni svarāḥ stobhā niruktaṁ svarabhaktayaḥ ,
oṁkāraścāvasannetre nigrahapragrahau tathā.

5. lakṣaṇāni svarāḥ stobhā niruktam svarabhaktayaḥ
om̐kāraḥ ca avasannetre nigrahapragrahau tathā

5. lakṣaṇāni svarāḥ stobhā niruktam svarabhaktayaḥ
ca avasannetre om̐kāraḥ tathā nigrahapragrahau

5. The characteristics, the accents, the Stobhas (interjections), Nirukta (etymological explanation), and the Svarabhaktis (vocalic glides) [also arrived]. The sacred syllable Om̐ (Om̐kāra) with its concluding recitations, and likewise the recitation rules of Nigraha and Pragraha [were also present].

Words meanings summery:

• लक्षणानि (lakṣaṇāni) - the characteristics/grammars (of Vedic recitation) (characteristics, marks, definitions, grammars, treatises)

• स्वराः (svarāḥ) - the (Vedic) accents (sounds, tones, accents, vowels)

• स्तोभा (stobhā) - the Stobhas (interjections in Sāman chants) (interjections, exclamations, fillers in Sāman chants)

• निरुक्तम् (niruktam) - Nirukta (the Vedāṅga of etymology) (etymology, explanation of words, Nirukta (a Vedāṅga))

• स्वरभक्तयः (svarabhaktayaḥ) - Svarabhaktis (vocalic glides in Vedic phonetics) (vocalic glides, parts of a sound)

• ॐकारः (om̐kāraḥ) - the sacred syllable Om̐ (Om̐kāra) (the syllable Om̐)

• च (ca) - and (and, also, moreover)

• अवसन्नेत्रे (avasannetre) - in its concluding recitations/section (referring to the Om̐kāra) (in the final part, in the concluding section)

• निग्रहप्रग्रहौ (nigrahapragrahau) - the recitation rules of Nigraha and Pragraha (Nigraha and Pragraha (specific rules/styles of recitation))

• तथा (tathā) - and likewise (thus, so, in that manner, and also)

Words meanings and morphology

लक्षणानि (lakṣaṇāni) - the characteristics/grammars (of Vedic recitation) (characteristics, marks, definitions, grammars, treatises)

(noun)

Nominative, neuter, plural of lakṣaṇa

lakṣaṇa - mark, sign, characteristic, definition, rule, treatise (on grammar/metrics)

Root: lakṣ (class 1)

Note: Subject (implied verb like āgamat)

स्वराः (svarāḥ) - the (Vedic) accents (sounds, tones, accents, vowels)

(noun)

Nominative, masculine, plural of svara

svara - sound, tone, musical note, accent (udātta, anudātta, svarita), vowel

Root: svṛ (class 1)

Note: Subject (implied verb)

स्तोभा (stobhā) - the Stobhas (interjections in Sāman chants) (interjections, exclamations, fillers in Sāman chants)

(noun)

Nominative, masculine, plural of stobha

stobha - sound, interjection, exclamatory particle, particularly in Sāmaveda chants

Root: stubh (class 1)

Note: Subject (implied verb)

निरुक्तम् (niruktam) - Nirukta (the Vedāṅga of etymology) (etymology, explanation of words, Nirukta (a Vedāṅga))

(noun)

Nominative, neuter, singular of nirukta

nirukta - etymologically explained, expressed, pronounced; (as a noun) etymology, exegetical interpretation, a specific Vedāṅga

Past Passive Participle (used as noun)

Derived from root vac (to speak) with prefix nir, and kta suffix

Prefix: nir

Root: vac (class 2)

Note: Subject (implied verb)

स्वरभक्तयः (svarabhaktayaḥ) - Svarabhaktis (vocalic glides in Vedic phonetics) (vocalic glides, parts of a sound)

(noun)

Nominative, feminine, plural of svarabhakti

svarabhakti - vocalic glide, a vocalic increment between two consonants (e.g., in r̥, l̥)

Compound type : tatpuruṣa (svara+bhakti)

• svara – sound, tone, accent, vowel
  noun (masculine)
  Root: svṛ (class 1)
• bhakti – division, part, portion, devotion
  noun (feminine)
  Derived from root bhaj (to divide, share)
  Root: bhaj (class 1)

Note: Subject (implied verb)

ॐकारः (om̐kāraḥ) - the sacred syllable Om̐ (Om̐kāra) (the syllable Om̐)

(noun)

Nominative, masculine, singular of om̐kāra

om̐kāra - the sacred syllable Om̐

Compound type : tatpuruṣa (om̐+kāra)

• om̐ – the sacred syllable Om̐
  indeclinable
• kāra – making, doing, utterance (of a sound)
  noun (masculine)
  Derived from root kṛ (to do, make)
  Root: kṛ (class 8)

Note: Subject (implied verb)

च (ca) - and (and, also, moreover)

(indeclinable)

Note: Connects svarabhaktayaḥ and om̐kāraḥ

अवसन्नेत्रे (avasannetre) - in its concluding recitations/section (referring to the Om̐kāra) (in the final part, in the concluding section)

(noun)

Locative, neuter, singular of avasannetra

avasannetra - final part, concluding section, end portion (often referring to Vedic recitation or Sāman chant parts)

Compound type : tatpuruṣa (avasāna+netra)

• avasāna – end, conclusion, termination, pause (in recitation)
  noun (neuter)
  Derived from root so (to finish) with prefix ava and lyuṭ suffix
  Prefix: ava
  Root: so (class 4)
• netra – guide, leader, eye, chief part, concluding passage
  noun (neuter)
  Derived from root nī (to lead)
  Root: nī (class 1)

Note: Refers to the context of Om̐kāra's recitation

निग्रहप्रग्रहौ (nigrahapragrahau) - the recitation rules of Nigraha and Pragraha (Nigraha and Pragraha (specific rules/styles of recitation))

(noun)

Nominative, masculine, dual of nigrahapragraha

nigrahapragraha - Nigraha and Pragraha (two specific terms related to Vedic recitation or grammatical rules, possibly control and reception/initiation)

Compound type : dvandva (nigraha+pragraha)

• nigraha – restraint, control, subduing, a rule or mode of recitation
  noun (masculine)
  Derived from root grah (to seize) with prefix ni
  Prefix: ni
  Root: grah (class 9)
• pragraha – taking, receiving, initiation, a rule or mode of recitation, a word not subject to sandhi
  noun (masculine)
  Derived from root grah (to seize) with prefix pra
  Prefix: pra
  Root: grah (class 9)

Note: Subject (implied verb)

तथा (tathā) - and likewise (thus, so, in that manner, and also)

(indeclinable)

Note: Connects from previous list or implies similarity