योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-69, verse-1

श्रीवसिष्ठउवाच ।
अथ वर्षसहस्रेण तां पितामह आययौ ।
दारुणं हि तपः सिद्ध्यै विषाग्निरपि शीतलः ॥ १ ॥

śrīvasiṣṭhauvāca ,
atha varṣasahasreṇa tāṃ pitāmaha āyayau ,
dāruṇaṃ hi tapaḥ siddhyai viṣāgnirapi śītalaḥ 1

1. śrī-vasiṣṭhaḥ uvāca atha varṣa-sahasreṇa tām pitāmahaḥ
āyayau dāruṇam hi tapaḥ siddhyai viṣa-agniḥ api śītalaḥ

1. śrī-vasiṣṭhaḥ uvāca atha varṣa-sahasreṇa pitāmahaḥ tām
āyayau hi dāruṇam tapaḥ siddhyai viṣa-agniḥ api śītalaḥ

1. Śrī Vasiṣṭha said: Then, after a thousand years, the Grandfather (Brahma) approached her, for in the attainment of severe penance (tapas), even the fire of poison becomes cool.

Words meanings summery:

• श्री-वसिष्ठः (śrī-vasiṣṭhaḥ) - revered Vasiṣṭha

• उवाच (uvāca) - said, spoke

• अथ (atha) - then, thereupon, moreover

• वर्ष-सहस्रेण (varṣa-sahasreṇa) - by a thousand years, after a thousand years

• ताम् (tām) - to her (her, that (feminine))

• पितामहः (pitāmahaḥ) - Brahma (grandfather; Brahma)

• आययौ (āyayau) - came, approached

• दारुणम् (dāruṇam) - severe, dreadful, terrible

• हि (hi) - indeed, surely, for

• तपः (tapaḥ) - penance (tapas) (penance, austerity)

• सिद्ध्यै (siddhyai) - for attainment, for success, for accomplishment

• विष-अग्निः (viṣa-agniḥ) - the fire of poison

• अपि (api) - even, also, too

• शीतलः (śītalaḥ) - cool, cold

Words meanings and morphology

श्री-वसिष्ठः (śrī-vasiṣṭhaḥ) - revered Vasiṣṭha

(proper noun)

Nominative, masculine, singular of śrī-vasiṣṭha

śrī-vasiṣṭha - the revered Vasiṣṭha (name of a sage)

Compound type : karmadhāraya (śrī+vasiṣṭha)

• śrī – radiance, glory, prosperity; honorific prefix
  noun (feminine)
• vasiṣṭha – most excellent; name of a celebrated Vedic sage
  proper noun (masculine)

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, perfect (Lit) of vac

Root: vac (class 2)

अथ (atha) - then, thereupon, moreover

(indeclinable)

वर्ष-सहस्रेण (varṣa-sahasreṇa) - by a thousand years, after a thousand years

(noun)

Instrumental, neuter, singular of varṣa-sahasra

varṣa-sahasra - a thousand years

Compound type : tatpuruṣa (varṣa+sahasra)

• varṣa – year, rain, rainy season
  noun (neuter)
  Root: vṛṣ (class 1)
• sahasra – thousand
  noun (neuter)

Note: Used to denote duration of time, 'after a thousand years'.

ताम् (tām) - to her (her, that (feminine))

(pronoun)

Accusative, feminine, singular of tad

tad - that, she, he, it

Note: Used with verbs of motion to indicate destination.

पितामहः (pitāmahaḥ) - Brahma (grandfather; Brahma)

(proper noun)

Nominative, masculine, singular of pitāmaha

pitāmaha - paternal grandfather; a title of Brahma

Compound type : tatpuruṣa (pitā+maha)

• pitā – father
  noun (masculine)
• maha – great, big
  adjective (masculine)

आययौ (āyayau) - came, approached

(verb)

3rd person , singular, active, perfect (Lit) of ā-yā

Root 'yā' with prefix 'ā'

Prefix: ā

Root: yā (class 2)

दारुणम् (dāruṇam) - severe, dreadful, terrible

(adjective)

Accusative, neuter, singular of dāruṇa

dāruṇa - harsh, dreadful, severe, terrible

Note: Modifies 'tapaḥ'.

हि (hi) - indeed, surely, for

(indeclinable)

तपः (tapaḥ) - penance (tapas) (penance, austerity)

(noun)

Accusative, neuter, singular of tapas

tapas - heat, warmth, austerity, penance, religious mortification

Root: tap (class 1)

सिद्ध्यै (siddhyai) - for attainment, for success, for accomplishment

(noun)

Dative, feminine, singular of siddhi

siddhi - accomplishment, success, perfection, supernatural power

Root: sidh (class 4)

Note: Indicates purpose.

विष-अग्निः (viṣa-agniḥ) - the fire of poison

(noun)

Nominative, masculine, singular of viṣa-agni

viṣa-agni - poison-fire, the fire of poison

Compound type : tatpuruṣa (viṣa+agni)

• viṣa – poison, venom
  noun (neuter)
• agni – fire, god of fire
  noun (masculine)

अपि (api) - even, also, too

(indeclinable)

शीतलः (śītalaḥ) - cool, cold

(adjective)

Nominative, masculine, singular of śītala

śītala - cool, cold, chilly

Root: śī (class 2)