महाभारतः mahābhārataḥ - book-1, chapter-33, verse-2

ततः स मन्त्रयामास भ्रातृभिः सह सर्वशः ।
ऐरावतप्रभृतिभिर्ये स्म धर्मपरायणाः ॥२॥

2. tataḥ sa mantrayāmāsa bhrātṛbhiḥ saha sarvaśaḥ ,
airāvataprabhṛtibhirye sma dharmaparāyaṇāḥ.

2. tataḥ saḥ mantrayāmāsa bhrātṛbhiḥ saha sarvaśaḥ
airāvataprabhṛtibhiḥ ye sma dharmaparāyaṇāḥ

2. Then he consulted with all his brothers, including Airāvata and others, who were devoted to righteousness.

Words meanings summery:

• ततः (tataḥ) - then (then, thereupon, therefore)

• सः (saḥ) - he (Vāsuki) (he, that)

• मन्त्रयामास (mantrayāmāsa) - consulted (he deliberated, consulted)

• भ्रातृभिः (bhrātṛbhiḥ) - with his brothers (with brothers)

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

• सर्वशः (sarvaśaḥ) - all (of them) (entirely, completely, in every way)

• ऐरावतप्रभृतिभिः (airāvataprabhṛtibhiḥ) - with Airāvata and other chief serpents (with Airāvata and others)

• ये (ye) - who (who, those who)

• स्म (sma) - indeed were (indeed, certainly; used to make a present tense verb past tense)

• धर्मपरायणाः (dharmaparāyaṇāḥ) - devoted to righteousness (devoted to righteousness, intent on dharma)

Words meanings and morphology

ततः (tataḥ) - then (then, thereupon, therefore)

(indeclinable)

ablative suffix -tas from "tad"

सः (saḥ) - he (Vāsuki) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, this; he, she, it

Note: Subject of 'mantrayāmāsa'.

मन्त्रयामास (mantrayāmāsa) - consulted (he deliberated, consulted)

(verb)

3rd person , singular, active, past perfect (liṭ) of mantr

causative perfect

Perfect tense (liṭ) form of the causative of mantr.

Root: mantr (class 10)

भ्रातृभिः (bhrātṛbhiḥ) - with his brothers (with brothers)

(noun)

Instrumental, masculine, plural of bhrātṛ

bhrātṛ - brother

Note: Denotes association, used with 'saha'.

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

(indeclinable)

Preposition/adverb.

Root: sah (class 1)

सर्वशः (sarvaśaḥ) - all (of them) (entirely, completely, in every way)

(indeclinable)

from sarva + śas suffix (denoting manner or extent)

Note: Modifies 'bhrātṛbhiḥ', indicating he consulted all of them.

ऐरावतप्रभृतिभिः (airāvataprabhṛtibhiḥ) - with Airāvata and other chief serpents (with Airāvata and others)

(noun)

Instrumental, masculine, plural of airāvataprabhṛti

airāvataprabhṛti - Airāvata and others, led by Airāvata

Compound: Airāvata + prabhṛti

Compound type : bahuvrīhi (airāvata+prabhṛti)

• airāvata – name of a chief nāga; name of Indra's elephant
  noun (masculine)
• prabhṛti – beginning, starting with; and so on, etcetera
  noun (feminine)
  from pra + bhṛ (to bear, carry)
  Prefix: pra
  Root: bhṛ (class 1)

Note: In apposition to 'bhrātṛbhiḥ'.

ये (ye) - who (who, those who)

(pronoun)

Nominative, masculine, plural of yad

yad - who, which, what (relative pronoun)

Note: Subject of the relative clause. Refers to 'bhrātṛbhiḥ'.

स्म (sma) - indeed were (indeed, certainly; used to make a present tense verb past tense)

(indeclinable)

Note: Functions to emphasize the past nature of the righteousness of the brothers.

धर्मपरायणाः (dharmaparāyaṇāḥ) - devoted to righteousness (devoted to righteousness, intent on dharma)

(adjective)

Nominative, masculine, plural of dharmaparāyaṇa

dharmaparāyaṇa - devoted to duty/virtue/righteousness, intent on dharma

Compound: dharma + parāyaṇa

Compound type : tatpuruṣa (dharma+parāyaṇa)

• dharma – duty, righteousness, law, virtue, religious merit
  noun (masculine)
  from root dhṛ (to hold, support)
  Root: dhṛ (class 1)
• parāyaṇa – aim, goal, support; devoted to, intent on
  noun (neuter)
  from parā + i (to go)
  Prefix: parā
  Root: i (class 2)

Note: Qualifies the implicit subject 'they' (the brothers referred to by 'ye').