योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-25, verse-7

शेषः शशिकलाशुभ्रो गङ्गावाहश्च तौ त्रिधा ।
उपवीते अवीते च उभौ संसारवक्षसि ॥ ७ ॥

śeṣaḥ śaśikalāśubhro gaṅgāvāhaśca tau tridhā ,
upavīte avīte ca ubhau saṃsāravakṣasi 7

7. śeṣaḥ śaśikalāśubhraḥ gaṅgāvāhaḥ ca tau
tridhā upavīte avīte ca ubhau saṃsāravakṣasi

7. śaśikalāśubhraḥ śeṣaḥ ca gaṅgāvāhaḥ tau ubhau
tridhā upavīte ca avīte saṃsāravakṣasi (sthaḥ)

7. Śeṣa, shining like the crescent moon, and the flow of the Gaṅgā – both of these, threefold (like sacred threads), are simultaneously worn (as adornments) and unbound (or unworn), (resting) upon the chest of the cycle of rebirth (saṃsāra).

Words meanings summery:

• शेषः (śeṣaḥ) - the serpent deity Śeṣa, a cosmic snake (remainder, residue, the serpent deity Śeṣa)

• शशिकलाशुभ्रः (śaśikalāśubhraḥ) - gleaming (white) like the crescent moon (bright as a digit of the moon, shining like a crescent moon)

• गङ्गावाहः (gaṅgāvāhaḥ) - the celestial flow of the Gaṅgā (river) (flow of the Gaṅgā, stream of the Ganges)

• च (ca) - and, also

• तौ (tau) - referring to Śeṣa and the Gaṅgā flow (those two)

• त्रिधा (tridhā) - in a threefold manner (like a sacred thread's strands) (in three ways, threefold)

• उपवीते (upavīte) - like sacred threads (as adornments) (sacred thread, worn as a sacred thread)

• अवीते (avīte) - unbound, free-flowing (unworn, unbound, not threaded)

• च (ca) - and, also

• उभौ (ubhau) - both (Śeṣa and Gaṅgā flow) (both)

• संसारवक्षसि (saṁsāravakṣasi) - upon the chest of the cycle of rebirth (saṃsāra) (on the chest of saṃsāra)

Words meanings and morphology

शेषः (śeṣaḥ) - the serpent deity Śeṣa, a cosmic snake (remainder, residue, the serpent deity Śeṣa)

(proper noun)

Nominative, masculine, singular of śeṣa

śeṣa - remainder, residue, end, the serpent king Śeṣa

शशिकलाशुभ्रः (śaśikalāśubhraḥ) - gleaming (white) like the crescent moon (bright as a digit of the moon, shining like a crescent moon)

(adjective)

Nominative, masculine, singular of śaśikalāśubhra

śaśikalāśubhra - bright/white like a digit of the moon/crescent moon

Compound type : Tatpuruṣa (śaśikalā+śubhra)

• śaśikalā – digit of the moon, crescent moon
  noun (feminine)
• śubhra – bright, white, pure, clean
  adjective (masculine)

Note: Agrees with 'śeṣaḥ'.

गङ्गावाहः (gaṅgāvāhaḥ) - the celestial flow of the Gaṅgā (river) (flow of the Gaṅgā, stream of the Ganges)

(noun)

Nominative, masculine, singular of gaṅgāvāha

gaṅgāvāha - flow of the Gaṅgā, stream of the Ganges

Compound type : Tatpuruṣa (gaṅgā+vāha)

• gaṅgā – the river Gaṅgā (Ganges)
  proper noun (feminine)
• vāha – flow, current, stream
  noun (masculine)
  Root: vah (class 1)

च (ca) - and, also

(indeclinable)

तौ (tau) - referring to Śeṣa and the Gaṅgā flow (those two)

(pronoun)

Nominative, masculine, dual of tad

tad - that, those

त्रिधा (tridhā) - in a threefold manner (like a sacred thread's strands) (in three ways, threefold)

(indeclinable)

उपवीते (upavīte) - like sacred threads (as adornments) (sacred thread, worn as a sacred thread)

(noun)

Nominative, neuter, dual of upavīta

upavīta - sacred thread, invested with the sacred thread, worn as a sacred thread

Past Passive Participle of upa + vī (to weave/thread), used as noun.

Prefix: upa

Root: vī (class 9)

Note: Used predicatively for 'tau'.

अवीते (avīte) - unbound, free-flowing (unworn, unbound, not threaded)

(adjective)

Nominative, neuter, dual of avīta

avīta - unworn, unbound, not threaded, unadorned

Negative particle 'a' + Past Passive Participle 'vīta' from root vī (to weave/thread/wear)

Compound type : Nañ-Tatpuruṣa (a+vīta)

• a – not, non-, un-
  indeclinable
• vīta – threaded, woven, worn, adorned
  adjective (neuter)
  Past Passive Participle
  From root vī 'to weave, thread'
  Root: vī (class 9)

Note: Used predicatively for 'tau'.

च (ca) - and, also

(indeclinable)

उभौ (ubhau) - both (Śeṣa and Gaṅgā flow) (both)

(pronoun)

Nominative, masculine, dual of ubha

ubha - both

Note: Emphasizes 'tau'.

संसारवक्षसि (saṁsāravakṣasi) - upon the chest of the cycle of rebirth (saṃsāra) (on the chest of saṃsāra)

(noun)

Locative, neuter, singular of saṃsāravakṣas

saṁsāravakṣas - the chest of saṃsāra (the cycle of rebirth)

Compound type : Tatpuruṣa (saṃsāra+vakṣas)

• saṃsāra – cycle of rebirth, transmigration, worldly existence
  noun (masculine)
• vakṣas – chest, breast, bosom
  noun (neuter)