योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-126, verse-83

इत्यादिनिवहो नाम्नामस्यास्त्वाशयकोशगः ।
धैर्यनाम्ना वरास्त्रेण प्रसृतामवहेलया ॥ ८३ ॥

ityādinivaho nāmnāmasyāstvāśayakośagaḥ ,
dhairyanāmnā varāstreṇa prasṛtāmavahelayā 83

83. iti-ādi-nivahaḥ nāmnām asyāḥ tu āśaya-kośa-gaḥ
dhairya-nāmnā vara-astreṇa prasṛtām avajhelayā

83. asyāḥ nāmnām iti-ādi-nivahaḥ tu āśaya-kośa-gaḥ
dhairya-nāmnā vara-astreṇa prasṛtām avajhelayā

83. This host of names (for the desire-serpent), which indeed dwells in the deep repository of her (desire's) disposition, should be effortlessly [conquered], along with her pervasive form, by the excellent weapon named courage (dhairya).

Words meanings summery:

• इति-आदि-निवहः (iti-ādi-nivahaḥ) - such a host, this collection and so on

• नाम्नाम् (nāmnām) - of names

• अस्याः (asyāḥ) - of her

• तु (tu) - indeed, but, however

• आशय-कोश-गः (āśaya-kośa-gaḥ) - gone into the sheath/treasury of the mind/heart, residing in the deep core of the mind

• धैर्य-नाम्ना (dhairya-nāmnā) - by the name of courage

• वर-अस्त्रेण (vara-astreṇa) - by the excellent weapon

• प्रसृताम् (prasṛtām) - Referring to the desire-serpent (icchā-nāgī). (the pervasive one, spread out, extended)

• अवझेलया (avajhelayā) - scornfully, contemptuously, effortlessly, with ease

Words meanings and morphology

इति-आदि-निवहः (iti-ādi-nivahaḥ) - such a host, this collection and so on

(noun)

Nominative, masculine, singular of iti-ādi-nivaha

iti-ādi-nivaha - such a host, this collection and so on, multitude of these

Compound type : tatpuruṣa (iti+ādi+nivaha)

• iti – thus, in this manner, etc.
  indeclinable
• ādi – beginning, etcetera, and so on
  noun (masculine)
• nivaha – collection, host, multitude
  noun (masculine)
  From √vah with ni (to carry, lead)
  Prefix: ni
  Root: vah (class 1)

नाम्नाम् (nāmnām) - of names

(noun)

Genitive, neuter, plural of nāman

nāman - name, appellation

अस्याः (asyāḥ) - of her

(pronoun)

Genitive, feminine, singular of idam

idam - this, that

तु (tu) - indeed, but, however

(indeclinable)

आशय-कोश-गः (āśaya-kośa-gaḥ) - gone into the sheath/treasury of the mind/heart, residing in the deep core of the mind

(adjective)

Nominative, masculine, singular of āśaya-kośa-ga

āśaya-kośa-ga - residing in the repository of the mind/heart

Derived from √gam (to go) as a suffix '-ga'.

Compound type : tatpuruṣa (āśaya+kośa+ga)

• āśaya – mind, heart, intention, disposition
  noun (masculine)
  From √śī (to lie) with ā (to lie down into)
  Prefix: ā
  Root: śī (class 2)
• kośa – sheath, treasury, cell, inner part
  noun (masculine)
• ga – going, moving, residing in
  adjective (masculine)
  suffix
  Derived from root √gam (to go), used as a suffix indicating 'going' or 'residing in'.
  Root: gam (class 1)

धैर्य-नाम्ना (dhairya-nāmnā) - by the name of courage

(noun)

Instrumental, neuter, singular of dhairya-nāman

dhairya-nāman - named courage

Compound type : bahuvrīhi (dhairya+nāman)

• dhairya – courage, fortitude, firmness
  noun (neuter)
  From dhīra (firm, steady)
• nāman – name, appellation
  noun (neuter)

Note: Used adjectivally to describe 'varāstra'.

वर-अस्त्रेण (vara-astreṇa) - by the excellent weapon

(noun)

Instrumental, neuter, singular of vara-astra

vara-astra - excellent weapon, best weapon

Compound type : karmadhāraya (vara+astra)

• vara – excellent, best, boon
  adjective (masculine)
  From √vṛ (to choose)
  Root: vṛ (class 9)
• astra – weapon, missile
  noun (neuter)
  From √as (to throw)
  Root: as (class 4)

प्रसृताम् (prasṛtām) - Referring to the desire-serpent (icchā-nāgī). (the pervasive one, spread out, extended)

(adjective)

Accusative, feminine, singular of prasṛta

prasṛta - spread, extended, pervasive

Past Passive Participle

From √sṛ (to flow, go) with pra (forward, forth)

Prefix: pra

Root: sṛ (class 1)

Note: Refers to icchā-nāgī (feminine).

अवझेलया (avajhelayā) - scornfully, contemptuously, effortlessly, with ease

(noun)

Instrumental, feminine, singular of avajhelā

avajhelā - scorn, contempt, ease, sport

From √jheḷ (to scorn, be heedless) with ava

Prefix: ava

Root: jheḷ (class 1)