योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-74, verse-17

तस्यास्तीव्रेण तपसा तुहिनाकरमुत्सृजन् ।
अग्न्याकारमयो गृह्णन् देव दुःसेव्यतां गतः ॥ १७ ॥

tasyāstīvreṇa tapasā tuhinākaramutsṛjan ,
agnyākāramayo gṛhṇan deva duḥsevyatāṃ gataḥ 17

17. tasyāḥ tīvreṇa tapasā tuhinākaram utsṛjan
agnyākāram ayaḥ gṛhṇan deva duḥsevyatām gataḥ

17. deva tasyāḥ tīvreṇa tapasā tuhinākaram utsṛjan
agnyākāram ayaḥ gṛhṇan duḥsevyatām gataḥ

17. O gods! By her severe ascetic practice (tapas), abandoning sources of cold (comforts), and assuming a fiery form as if made of iron, she became difficult to approach.

Words meanings summery:

• तस्याः (tasyāḥ) - of Pārvatī (of her, by her)

• तीव्रेण (tīvreṇa) - by intense (by intense, by severe)

• तपसा (tapasā) - by her severe ascetic practice (tapas) (by austerity, by ascetic practice)

• तुहिनाकरम् (tuhinākaram) - sources of cold comforts (like the moon) (the mine of ice, the source of snow, the moon, the Himalayas)

• उत्सृजन् (utsṛjan) - abandoning, giving up (abandoning, giving up, emitting)

• अग्न्याकारम् (agnyākāram) - a fiery form (fiery form, form of fire)

• अयः (ayaḥ) - as hard as iron, or with firmness/strength. Used adverbially. (iron, metal; strength, firmness)

• गृह्णन् (gṛhṇan) - assuming, adopting (taking, assuming, seizing)

• देव (deva) - O gods! (Addressing multiple deities, as Brahmā typically does) (O god, divine being)

• दुःसेव्यताम् (duḥsevyatām) - state of being difficult to approach (state of being difficult to approach/serve)

• गतः (gataḥ) - attained, reached (gone, reached, attained)

Words meanings and morphology

तस्याः (tasyāḥ) - of Pārvatī (of her, by her)

(pronoun)

Genitive, feminine, singular of tad

tad - that, she

Feminine singular genitive/ablative form.

तीव्रेण (tīvreṇa) - by intense (by intense, by severe)

(adjective)

Instrumental, neuter, singular of tīvra

tīvra - intense, severe, sharp, keen

Note: Modifies `tapasā`.

तपसा (tapasā) - by her severe ascetic practice (tapas) (by austerity, by ascetic practice)

(noun)

Instrumental, neuter, singular of tapas

tapas - heat, ascetic practice, penance, austerity (tapas)

From root `tap` (to heat, to perform austerity) + as.

Root: tap (class 1)

Note: Agent of becoming difficult to approach.

तुहिनाकरम् (tuhinākaram) - sources of cold comforts (like the moon) (the mine of ice, the source of snow, the moon, the Himalayas)

(noun)

Accusative, masculine, singular of tuhinākara

tuhinākara - mine of ice/snow, the moon, the Himalayas

`tuhina` (snow/ice) + `ākara` (mine/source).

Compound type : Tatpuruṣa (tuhina+ākara)

• tuhina – snow, ice, cold
  noun (neuter)
• ākara – mine, source, origin, collection
  noun (masculine)
  From `ā-kṛ`.
  Prefix: ā
  Root: kṛ (class 8)

Note: Object of `utsṛjan`.

उत्सृजन् (utsṛjan) - abandoning, giving up (abandoning, giving up, emitting)

(adjective)

Nominative, masculine, singular of utsṛjat

utsṛjat - abandoning, giving up

Present Active Participle

From root `sṛj` (to let go, create) with prefix `ut-`.

Prefix: ut

Root: sṛj (class 6)

अग्न्याकारम् (agnyākāram) - a fiery form (fiery form, form of fire)

(noun)

Accusative, masculine, singular of agniākāra

agniākāra - fiery form, form of fire

`agni` (fire) + `ākāra` (form).

Compound type : Tatpuruṣa (agni+ākāra)

• agni – fire
  noun (masculine)
• ākāra – form, shape, appearance
  noun (masculine)
  From `ā-kṛ`.
  Prefix: ā
  Root: kṛ (class 8)

Note: Object of `gṛhṇan`.

अयः (ayaḥ) - as hard as iron, or with firmness/strength. Used adverbially. (iron, metal; strength, firmness)

(noun)

Nominative, neuter, singular of ayas

ayas - metal, iron

Note: Here understood adverbially, qualifying the form (`ākāram`) or the act of assuming (`gṛhṇan`) as being firm or like iron.

गृह्णन् (gṛhṇan) - assuming, adopting (taking, assuming, seizing)

(adjective)

Nominative, masculine, singular of gṛhṇat

gṛhṇat - taking, seizing, assuming

Present Active Participle

From root `grah` (to seize, take) + śatṛ.

Root: grah (class 9)

देव (deva) - O gods! (Addressing multiple deities, as Brahmā typically does) (O god, divine being)

(noun)

Vocative, masculine, plural of deva

deva - god, deity, divine

दुःसेव्यताम् (duḥsevyatām) - state of being difficult to approach (state of being difficult to approach/serve)

(noun)

Accusative, feminine, singular of duḥsevyatā

duḥsevyatā - difficulty of access/service, inaccessibility

`duḥsevya` (difficult to serve) + `tā` (suffix for abstract noun).

Root: sev (class 1)

Note: Object of `gataḥ`.

गतः (gataḥ) - attained, reached (gone, reached, attained)

(adjective)

Nominative, masculine, singular of gata

gata - gone, reached, attained

Past Passive Participle

From root `gam` (to go) + kta.

Root: gam (class 1)