महाभारतः mahābhārataḥ - book-3, chapter-102, verse-23

अगस्त्यसहिता देवाः सगन्धर्वमहोरगाः ।
ऋषयश्च महाभागाः समासेदुर्महोदधिम् ॥२३॥

23. agastyasahitā devāḥ sagandharvamahoragāḥ ,
ṛṣayaśca mahābhāgāḥ samāsedurmahodadhim.

23. agastyasahitā devāḥ sagandharvamahoragāḥ
ṛṣayaḥ ca mahābhāgāḥ samāsedur mahodadhim

23. The gods, accompanied by Agastya, along with the Gandharvas and great serpents, and the illustrious sages, all approached the great ocean.

Words meanings summery:

• अगस्त्यसहिता (agastyasahitā) - accompanied by Agastya (accompanied by Agastya, together with Agastya)

• देवाः (devāḥ) - the gods (gods)

• सगन्धर्वमहोरगाः (sagandharvamahoragāḥ) - along with Gandharvas and great serpents (with Gandharvas and great Nagas)

• ऋषयः (ṛṣayaḥ) - sages (sages, seers)

• च (ca) - and (and, also)

• महाभागाः (mahābhāgāḥ) - illustrious (sages) (highly fortunate, illustrious, noble-minded)

• समासेदुर् (samāsedur) - they approached (they approached, they reached)

• महोदधिम् (mahodadhim) - the great ocean

Words meanings and morphology

अगस्त्यसहिता (agastyasahitā) - accompanied by Agastya (accompanied by Agastya, together with Agastya)

(adjective)

Nominative, masculine, plural of agastyasahita

agastyasahita - accompanied by Agastya

Bahuvrīhi compound: `Agastya` (proper noun) + `sahita` (accompanied). `sahita` is from `sa` and `hita` (P.P.P. of `dhā`).

Compound type : bahuvrīhi (Agastya+sahita)

• Agastya – name of a celebrated Vedic sage
  proper noun (masculine)
• sahita – accompanied, joined with, together with
  adjective (masculine)
  Past Passive Participle
  From `sa` (with) + `hita` (placed, brought about), derived from `dhā` (to place) with `hi` as a substitute.
  Prefix: sa
  Root: dhā (class 3)

Note: Modifies `devāḥ`.

देवाः (devāḥ) - the gods (gods)

(noun)

Nominative, masculine, plural of deva

deva - god, deity, divine

Root: div (class 4)

Note: Subject of the verb `samāsedur`.

सगन्धर्वमहोरगाः (sagandharvamahoragāḥ) - along with Gandharvas and great serpents (with Gandharvas and great Nagas)

(adjective)

Nominative, masculine, plural of sagandharvamahoraga

sagandharvamahoraga - accompanied by Gandharvas and great Nagas

Bahuvrīhi compound: `sa` (with) + `gandharva` (Gandharva) + `mahoraga` (great serpent). The whole means 'those who are with Gandharvas and great serpents'.

Compound type : bahuvrīhi (sa+gandharva+mahoraga)

• sa – with, together with
  indeclinable
• gandharva – celestial musician, a class of semi-divine beings
  noun (masculine)
• mahoraga – great serpent, great Nāga
  noun (masculine)
  Karmadhāraya compound of `mahā` (great) and `uraga` (serpent).

Note: Modifies `devāḥ`.

ऋषयः (ṛṣayaḥ) - sages (sages, seers)

(noun)

Nominative, masculine, plural of ṛṣi

ṛṣi - sage, seer, inspired poet

Root: ṛṣ

Note: Another subject of the verb `samāsedur`.

च (ca) - and (and, also)

(indeclinable)

महाभागाः (mahābhāgāḥ) - illustrious (sages) (highly fortunate, illustrious, noble-minded)

(adjective)

Nominative, masculine, plural of mahābhāga

mahābhāga - highly fortunate, illustrious, noble, exalted

Bahuvrīhi compound: `mahā` (great) + `bhāga` (fortune, share, part). 'One whose share/fortune is great.'

Compound type : bahuvrīhi (mahā+bhāga)

• mahā – great, large, mighty
  adjective (neuter)
• bhāga – share, portion, fortune, lot
  noun (masculine)
  From root `bhaj` (to divide, share).
  Root: bhaj (class 1)

समासेदुर् (samāsedur) - they approached (they approached, they reached)

(verb)

3rd person , plural, active, perfect (lit) of samāsad

Perfect form of `sad` with prefixes `sam` and `ā`.

Prefixes: sam+ā

Root: sad (class 1)

महोदधिम् (mahodadhim) - the great ocean

(noun)

Accusative, masculine, singular of mahodadhi

mahodadhi - great ocean, ocean

Karmadhāraya compound: `mahā` (great) + `udadhi` (ocean). `mahā + udadhi` undergoes sandhi `ā + u` → `o`.

Compound type : karmadhāraya (mahā+udadhi)

• mahā – great, large, mighty
  adjective (neuter)
• udadhi – ocean, sea (literally 'water-receptacle')
  noun (masculine)
  Compound of `uda` (water) + `dhā` (to hold).
  Prefix: ud
  Root: dhā (class 3)