योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-79, verse-4

सोमोऽथ वरुणोऽग्निश्च तथान्येऽपि सुरर्षयः ।
देवगन्धर्वसिद्धानां साध्यानां च विनायकाः ॥ ४ ॥

somo'tha varuṇo'gniśca tathānye'pi surarṣayaḥ ,
devagandharvasiddhānāṃ sādhyānāṃ ca vināyakāḥ 4

4. somaḥ atha varuṇaḥ agniḥ ca tathā anye api surarṣayaḥ
devagandharvasiddhānām sādhyānām ca vināyakāḥ

4. atha somaḥ varuṇaḥ agniḥ ca tathā anye api surarṣayaḥ
devagandharvasiddhānām sādhyānām ca vināyakāḥ

4. Then Soma, Varuṇa, Agni, and other divine sages (surarṣayaḥ), as well as the chiefs (vināyakāḥ) of the gods, Gandharvas, Siddhas, and Sādhyas (a class of celestial beings), were present.

Words meanings summery:

• सोमः (somaḥ) - the deity Soma (Soma, the Moon god; the juice of the Soma plant)

• अथ (atha) - then, thereupon, now, moreover

• वरुणः (varuṇaḥ) - the deity Varuṇa (Varuṇa, the god of water and cosmic order)

• अग्निः (agniḥ) - the deity Agni (fire, the god of fire)

• च (ca) - and, also, moreover

• तथा (tathā) - thus, so, in that manner, similarly

• अन्ये (anye) - others, other ones

• अपि (api) - also, too, even

• सुरर्षयः (surarṣayaḥ) - divine sages, celestial seers

• देवगन्धर्वसिद्धानाम् (devagandharvasiddhānām) - of gods, Gandharvas (celestial musicians), and Siddhas (perfected beings)

• साध्यानाम् (sādhyānām) - of Sādhyas (a class of celestial beings)

• च (ca) - and, also, moreover

• विनायकाः (vināyakāḥ) - chiefs or lords, possibly referring to a class of deities similar to Gaṇeśa or general leaders of the listed groups (leaders, chiefs, specific deities (Vināyakas))

Words meanings and morphology

सोमः (somaḥ) - the deity Soma (Soma, the Moon god; the juice of the Soma plant)

(proper noun)

Nominative, masculine, singular of soma

soma - Soma (the god); moon; lunar nectar; the soma plant

अथ (atha) - then, thereupon, now, moreover

(indeclinable)

वरुणः (varuṇaḥ) - the deity Varuṇa (Varuṇa, the god of water and cosmic order)

(proper noun)

Nominative, masculine, singular of varuṇa

varuṇa - Varuṇa (an ancient Vedic deity, god of cosmic order, waters, and the celestial ocean)

अग्निः (agniḥ) - the deity Agni (fire, the god of fire)

(proper noun)

Nominative, masculine, singular of agni

agni - fire; the god Agni; sacrificial fire

च (ca) - and, also, moreover

(indeclinable)

तथा (tathā) - thus, so, in that manner, similarly

(indeclinable)

अन्ये (anye) - others, other ones

(pronoun)

Nominative, masculine, plural of anya

anya - other, another; different

अपि (api) - also, too, even

(indeclinable)

सुरर्षयः (surarṣayaḥ) - divine sages, celestial seers

(noun)

Nominative, masculine, plural of surarṣi

surarṣi - divine sage, celestial seer

Compound type : tatpuruṣa (sura+ṛṣi)

• sura – god, deity
  noun (masculine)
• ṛṣi – sage, seer, inspired poet
  noun (masculine)

देवगन्धर्वसिद्धानाम् (devagandharvasiddhānām) - of gods, Gandharvas (celestial musicians), and Siddhas (perfected beings)

(noun)

Genitive, masculine, plural of devagandharvasiddha

devagandharvasiddha - gods, Gandharvas, and Siddhas (collectively)

Compound type : dvaṃdva (deva+gandharva+siddha)

• deva – god, deity, divine being
  noun (masculine)
• gandharva – Gandharva (a class of celestial beings, often musicians or semi-divine beings)
  noun (masculine)
• siddha – Siddha (a perfected or accomplished being, a semi-divine being)
  noun (masculine)
  Past Passive Participle
  Derived from root √sidh 'to accomplish'
  Root: sidh (class 4)

साध्यानाम् (sādhyānām) - of Sādhyas (a class of celestial beings)

(noun)

Genitive, masculine, plural of sādhya

sādhya - Sādhya (a class of celestial beings, considered divine and perfected); to be accomplished, achievable

Gerundive

Derived from root √sādh 'to accomplish'

Root: sādh (class 5)

च (ca) - and, also, moreover

(indeclinable)

विनायकाः (vināyakāḥ) - chiefs or lords, possibly referring to a class of deities similar to Gaṇeśa or general leaders of the listed groups (leaders, chiefs, specific deities (Vināyakas))

(noun)

Nominative, masculine, plural of vināyaka

vināyaka - leader, guide, chief; Gaṇeśa; a class of evil demons causing obstacles (though context here suggests divine beings)

Derived from prefix vi + root nī + suffix aka

Prefix: vi

Root: nī (class 1)