योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-50, verse-8

ततोऽपि निर्ययुर्नद्यो हेतीनां हतहेतयः ।
शरशक्तिगदाप्रासपट्टिशादिपयोमयाः ॥ ८ ॥

tato'pi niryayurnadyo hetīnāṃ hatahetayaḥ ,
śaraśaktigadāprāsapaṭṭiśādipayomayāḥ 8

8. tataḥ api niryayuḥ nadyaḥ hetīnām hatahetayaḥ
śaraśaktigadāprāsapaṭṭiśa ādi payomayāḥ

8. tataḥ api hetīnām hatahetayaḥ
śaraśaktigadāprāsapaṭṭiśa ādi payomayāḥ nadyaḥ niryayuḥ

8. From that (weapon), also, rivers emerged, consisting of missiles (astra), which destroyed other missiles, and were composed of arrows, spears, maces, javelins, battle-axes, and similar armaments.

Words meanings summery:

• ततः (tataḥ) - from that (weapon previously mentioned) (from that, thence, afterwards)

• अपि (api) - also, even, too

• निर्ययुः (niryayuḥ) - they emerged, issued forth

• नद्यः (nadyaḥ) - rivers

• हेतीनाम् (hetīnām) - of weapons, of missiles

• हतहेतयः (hatahetayaḥ) - those which destroy (other) weapons (destroyers of weapons)

• शरशक्तिगदाप्रासपट्टिश (śaraśaktigadāprāsapaṭṭiśa) - arrows, spears, maces, javelins, battle-axes

• आदि (ādi) - and so forth, beginning with

• पयोमयाः (payomayāḥ) - composed of these weapons (as if they were water) (made of water/fluid)

Words meanings and morphology

ततः (tataḥ) - from that (weapon previously mentioned) (from that, thence, afterwards)

(indeclinable)

अपि (api) - also, even, too

(indeclinable)

निर्ययुः (niryayuḥ) - they emerged, issued forth

(verb)

3rd person , plural, active, perfect (lit) of nir-√yā

Prefix: nis

Root: yā (class 2)

नद्यः (nadyaḥ) - rivers

(noun)

Nominative, feminine, plural of nadī

nadī - river

हेतीनाम् (hetīnām) - of weapons, of missiles

(noun)

Genitive, feminine, plural of hetī

hetī - weapon, missile, dart

Root: hi (class 5)

हतहेतयः (hatahetayaḥ) - those which destroy (other) weapons (destroyers of weapons)

(adjective)

Nominative, feminine, plural of hatahetī

hatahetī - having destroyed weapons, destroying weapons

Compound type : bahuvrihi (hata+hetī)

• hata – struck, killed, destroyed
  adjective
  Past Passive Participle
  Derived from root han (to strike, kill) with suffix -kta
  Root: han (class 2)
• hetī – weapon, missile
  noun (feminine)
  Root: hi (class 5)

Note: Agrees with 'nadyaḥ'

शरशक्तिगदाप्रासपट्टिश (śaraśaktigadāprāsapaṭṭiśa) - arrows, spears, maces, javelins, battle-axes

(noun)

Nominative, masculine, plural of śaraśaktigadāprāsapaṭṭiśa

śaraśaktigadāprāsapaṭṭiśa - arrows, spears, maces, javelins, battle-axes (collective)

Compound type : dvandva (śara+śakti+gadā+prāsa+paṭṭiśa)

• śara – arrow
  noun (masculine)
• śakti – spear, lance, dart
  noun (feminine)
• gadā – mace, club
  noun (feminine)
• prāsa – javelin, spear
  noun (masculine)
• paṭṭiśa – battle-axe, sharp weapon
  noun (masculine)

Note: Part of a larger compound.

आदि (ādi) - and so forth, beginning with

(noun)

of ādi

ādi - beginning, and so on, etcetera

Note: Part of a larger compound śaraśaktigadāprāsapaṭṭiśādipayomayāḥ. Refers to 'and similar (weapons)'.

पयोमयाः (payomayāḥ) - composed of these weapons (as if they were water) (made of water/fluid)

(adjective)

Nominative, feminine, plural of payomaya

payomaya - made of water, consisting of fluid

Derived from payas (water) + -maya (suffix for 'made of')

Compound type : tatpurusha (payas+maya)

• payas – water, fluid, milk
  noun (neuter)
• maya – made of, consisting of, full of
  suffix

Note: Agrees with 'nadyaḥ'. The full compound is śaraśaktigadāprāsapaṭṭiśādipayomayāḥ.