योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-150, verse-45

तालीतमालमालानां गतानामग्निवृक्षताम् ।
पातैरुत्पातवह्न्यभ्रकवत्करकरैर्घनः ॥ ४५ ॥

tālītamālamālānāṃ gatānāmagnivṛkṣatām ,
pātairutpātavahnyabhrakavatkarakarairghanaḥ 45

45. tālītamālamālānām gatānām agnivṛkṣatām pātaiḥ
utpātavahnyabhrakavat karakaraiḥ ghanaḥ

45. ghanaḥ pātaiḥ utpātavahnyabhrakavat karakaraiḥ
tālītamālamālānām agnivṛkṣatām gatānām

45. The dense cloud, with its fiery streaks resembling the rays of a portentous fire-cloud (utpātavahnyabhrakavat), made the rows of palmyra and tamāla trees appear as if they had transformed into trees of fire.

Words meanings summery:

• तालीतमालमालानाम् (tālītamālamālānām) - of rows of palmyra and tamāla trees

• गतानाम् (gatānām) - of those (trees) that had attained (of those who have gone; of those who have attained)

• अग्निवृक्षताम् (agnivṛkṣatām) - the state of being a fire-tree

• पातैः (pātaiḥ) - by its (the cloud's) streaks (of lightning/fire) (by falls, by streaks, by flights)

• उत्पातवह्न्यभ्रकवत् (utpātavahnyabhrakavat) - like a meteor-fire-cloud; like a portentous fire-cloud

• करकरैः (karakaraiḥ) - by its (the fire-cloud's) rays/streaks (by rays, by hands)

• घनः (ghanaḥ) - the dense cloud (dense, thick; cloud)

Words meanings and morphology

तालीतमालमालानाम् (tālītamālamālānām) - of rows of palmyra and tamāla trees

(noun)

Genitive, feminine, plural of tālītamālamālā

tālītamālamālā - a garland or row of palmyra and tamāla trees

Compound noun

Compound type : tatpuruṣa (tālī+tamāla+mālā)

• tālī – palmyra tree (Borassus flabellifer)
  noun (feminine)
• tamāla – tamāla tree (Cinnamomum tamala)
  noun (masculine)
• mālā – garland, wreath, row, series
  noun (feminine)

गतानाम् (gatānām) - of those (trees) that had attained (of those who have gone; of those who have attained)

(adjective)

Genitive, feminine, plural of gata

gata - gone, moved, attained, reached

Past Passive Participle

From root gam (to go)

Root: gam (class 1)

Note: Modifies 'tālītamālamālānām'.

अग्निवृक्षताम् (agnivṛkṣatām) - the state of being a fire-tree

(noun)

Accusative, feminine, singular of agnivṛkṣatā

agnivṛkṣatā - the state or condition of being a tree of fire

Derived from agnivṛkṣa (fire-tree) + suffix -tā (state of being)

पातैः (pātaiḥ) - by its (the cloud's) streaks (of lightning/fire) (by falls, by streaks, by flights)

(noun)

Instrumental, masculine, plural of pāta

pāta - fall, descent, flight, streak, flash

From root pat (to fall)

Root: pat (class 1)

उत्पातवह्न्यभ्रकवत् (utpātavahnyabhrakavat) - like a meteor-fire-cloud; like a portentous fire-cloud

(adjective)

singular of utpātavahnyabhrakavat

utpātavahnyabhrakavat - like a portentous fire-cloud; having the nature of a meteor-fire-cloud

Taddhita affix -vat added to utpātavahnyabhra

Note: Functions adverbially, or as an adjective modifying 'pātaiḥ'.

करकरैः (karakaraiḥ) - by its (the fire-cloud's) rays/streaks (by rays, by hands)

(noun)

Instrumental, masculine, plural of karakara

karakara - ray of light, hand; also an onomatopoeia for a harsh sound

Reduplication of 'kara' (hand, ray)

घनः (ghanaḥ) - the dense cloud (dense, thick; cloud)

(noun)

Nominative, masculine, singular of ghana

ghana - dense, thick, solid; cloud; anything massive

Root: han (class 2)

Note: Subject of the sentence.